My 73 Chevelle turbo LS swap
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My 73 Chevelle turbo LS swap
Well I figure Its about time to start a thread on my car now that Ive had some time to finally start working on it.
I bought back in July of '09, found it on craigslist about 45min away in PA, got a great deal on it ($1200) and brought it back home to NJ.
Pretty basic & mostly original 73 Malibu w/ a gutless 307 and only 60,xxx miles on it.
![My 73 Chevelle turbo LS swap Img_0718](https://i.servimg.com/u/f28/14/24/94/52/img_0718.jpg)
![My 73 Chevelle turbo LS swap Img_0712](https://i.servimg.com/u/f28/14/24/94/52/img_0712.jpg)
![My 73 Chevelle turbo LS swap Img_0710](https://i.servimg.com/u/f28/14/24/94/52/img_0710.jpg)
![My 73 Chevelle turbo LS swap Img_0711](https://i.servimg.com/u/f28/14/24/94/52/img_0711.jpg)
![My 73 Chevelle turbo LS swap Img_0713](https://i.servimg.com/u/f28/14/24/94/52/img_0713.jpg)
![My 73 Chevelle turbo LS swap Img_0714](https://i.servimg.com/u/f28/14/24/94/52/img_0714.jpg)
![My 73 Chevelle turbo LS swap Img_0715](https://i.servimg.com/u/f28/14/24/94/52/img_0715.jpg)
Turns out its pretty damn close in color to my Nantucket blue '67, didnt even realize it untill we put it in the garage next to the '67
![My 73 Chevelle turbo LS swap Img_0716](https://i.servimg.com/u/f28/14/24/94/52/img_0716.jpg)
![My 73 Chevelle turbo LS swap Img_0717](https://i.servimg.com/u/f28/14/24/94/52/img_0717.jpg)
Pulled the interior out cause the carpet was all funky from the rear window leaking.
Mostly just minor surface rust
![My 73 Chevelle turbo LS swap Dsc00110](https://i.servimg.com/u/f28/14/24/94/52/dsc00110.jpg)
Only a few small spots rusted through
![My 73 Chevelle turbo LS swap Dsc00011](https://i.servimg.com/u/f28/14/24/94/52/dsc00011.jpg)
Took off the almost new tires and wheels that were on it and put them on my blazer. Then just threw some random tires and wheels on the 73 that we had laying around.
![My 73 Chevelle turbo LS swap Img_1011](https://i.servimg.com/u/f28/14/24/94/52/img_1011.jpg)
![My 73 Chevelle turbo LS swap Img_1010](https://i.servimg.com/u/f28/14/24/94/52/img_1010.jpg)
Then life got in the way and this is were she sat untouched for 4 years..............
![My 73 Chevelle turbo LS swap Img_1012](https://i.servimg.com/u/f28/14/24/94/52/img_1012.jpg)
![My 73 Chevelle turbo LS swap Img_1012](https://i.servimg.com/u/f28/14/24/94/52/img_1012.jpg)
.......Until this past April when I found a deal I couldnt pass up on a complete 4.8l from a 2000 Chevy truck.
![My 73 Chevelle turbo LS swap 20140310](https://i.servimg.com/u/f28/14/24/94/52/20140310.jpg)
Will try to get the rest of the pics up later today.![Give Me Beer](/users/1813/58/83/10/smiles/501781.gif)
I bought back in July of '09, found it on craigslist about 45min away in PA, got a great deal on it ($1200) and brought it back home to NJ.
Pretty basic & mostly original 73 Malibu w/ a gutless 307 and only 60,xxx miles on it.
![My 73 Chevelle turbo LS swap Img_0718](https://i.servimg.com/u/f28/14/24/94/52/img_0718.jpg)
![My 73 Chevelle turbo LS swap Img_0712](https://i.servimg.com/u/f28/14/24/94/52/img_0712.jpg)
![My 73 Chevelle turbo LS swap Img_0710](https://i.servimg.com/u/f28/14/24/94/52/img_0710.jpg)
![My 73 Chevelle turbo LS swap Img_0711](https://i.servimg.com/u/f28/14/24/94/52/img_0711.jpg)
![My 73 Chevelle turbo LS swap Img_0713](https://i.servimg.com/u/f28/14/24/94/52/img_0713.jpg)
![My 73 Chevelle turbo LS swap Img_0714](https://i.servimg.com/u/f28/14/24/94/52/img_0714.jpg)
![My 73 Chevelle turbo LS swap Img_0715](https://i.servimg.com/u/f28/14/24/94/52/img_0715.jpg)
Turns out its pretty damn close in color to my Nantucket blue '67, didnt even realize it untill we put it in the garage next to the '67
![My 73 Chevelle turbo LS swap Img_0716](https://i.servimg.com/u/f28/14/24/94/52/img_0716.jpg)
![My 73 Chevelle turbo LS swap Img_0717](https://i.servimg.com/u/f28/14/24/94/52/img_0717.jpg)
Pulled the interior out cause the carpet was all funky from the rear window leaking.
Mostly just minor surface rust
![]() |
![My 73 Chevelle turbo LS swap Dsc00110](https://i.servimg.com/u/f28/14/24/94/52/dsc00110.jpg)
Only a few small spots rusted through
![My 73 Chevelle turbo LS swap Dsc00011](https://i.servimg.com/u/f28/14/24/94/52/dsc00011.jpg)
Took off the almost new tires and wheels that were on it and put them on my blazer. Then just threw some random tires and wheels on the 73 that we had laying around.
![My 73 Chevelle turbo LS swap Img_1011](https://i.servimg.com/u/f28/14/24/94/52/img_1011.jpg)
![My 73 Chevelle turbo LS swap Img_1010](https://i.servimg.com/u/f28/14/24/94/52/img_1010.jpg)
Then life got in the way and this is were she sat untouched for 4 years..............
![My 73 Chevelle turbo LS swap Img_1012](https://i.servimg.com/u/f28/14/24/94/52/img_1012.jpg)
![My 73 Chevelle turbo LS swap Img_1012](https://i.servimg.com/u/f28/14/24/94/52/img_1012.jpg)
.......Until this past April when I found a deal I couldnt pass up on a complete 4.8l from a 2000 Chevy truck.
![My 73 Chevelle turbo LS swap 20140310](https://i.servimg.com/u/f28/14/24/94/52/20140310.jpg)
Will try to get the rest of the pics up later today.
![Give Me Beer](/users/1813/58/83/10/smiles/501781.gif)
Last edited by alowerlevel on Sun Aug 12, 2018 12:36 am; edited 8 times in total
alowerlevel- G3GM Member
- Street Cred : 6
Re: My 73 Chevelle turbo LS swap
Nice car. Glad you're saving it! Good luck with the swap.
77mali- Donating Member
- Street Cred : 62
Re: My 73 Chevelle turbo LS swap
I was looking at this and was wanting to know more about the 4.8. I found that it is a 293ci motor. I had not heard a lot about it. My old truck had the 5.3 and it was a good running motor. I found this article that you might be interested in.
http://www.superchevy.com/how-to/engines-drivetrain/1306-4-8l-vs-5-3l-engine-tech-little-ls-slugfest/
I also found the article below.
http://en.wikipedia.org/wiki/General_Motors_small-block_engine
http://www.superchevy.com/how-to/engines-drivetrain/1306-4-8l-vs-5-3l-engine-tech-little-ls-slugfest/
I also found the article below.
http://en.wikipedia.org/wiki/General_Motors_small-block_engine
driveit- Donating Member
- Street Cred : 15
Re: My 73 Chevelle turbo LS swap
That looks like a straight solid body !
Floor rust is not too bad for that age.
Bumper chrome looks nice too !
On my Elco, I laid a layer of fiberglass cloth with a few coats of West system epoxy, after some minor fixing of rust spots on the floors. The idea being that if the carpet gets wet, it wont rust the floor again...
Bill
![Very Happy](https://2img.net/i/fa/i/smiles/icon_biggrin.png)
Bumper chrome looks nice too !
On my Elco, I laid a layer of fiberglass cloth with a few coats of West system epoxy, after some minor fixing of rust spots on the floors. The idea being that if the carpet gets wet, it wont rust the floor again...
Bill
pila- Donating Member
- Street Cred : 43
Re: My 73 Chevelle turbo LS swap
Yea the 4.8s use all the same parts as the 5.3's except for the crank, rods and pistons, everything else (block, heads, cam, intake, etc) is the same. Its rated @ 275hp & 285tq from the factory, and with a better air intake, good exhaust, electric fans, and the '00 ls1 cam I put in it, it should be around 300-310hp and 320ish tq, and hoping for 20+mpg on regular gas. Next years plans are slap a turbo on it and shoot for at least 500rwhp.driveit wrote:I was looking at this and was wanting to know more about the 4.8. I found that it is a 293ci motor. I had not heard a lot about it. My old truck had the 5.3 and it was a good running motor. I found this article that you might be interested in.
http://www.superchevy.com/how-to/engines-drivetrain/1306-4-8l-vs-5-3l-engine-tech-little-ls-slugfest/
I also found the article below.
http://en.wikipedia.org/wiki/General_Motors_small-block_engine
pila wrote:That looks like a straight solid body !Floor rust is not too bad for that age.
Bumper chrome looks nice too !
On my Elco, I laid a layer of fiberglass cloth with a few coats of West system epoxy, after some minor fixing of rust spots on the floors. The idea being that if the carpet gets wet, it wont rust the floor again...
Bill
Thanks, Yea its actually really clean for a $1200 car
![Shocked](https://2img.net/i/fa/i/smiles/icon_eek.gif)
Last edited by alowerlevel on Fri Aug 01, 2014 12:54 pm; edited 1 time in total
alowerlevel- G3GM Member
- Street Cred : 6
Re: My 73 Chevelle turbo LS swap
You can do it. Just keep at it and don't let it get you down.
driveit- Donating Member
- Street Cred : 15
Re: My 73 Chevelle turbo LS swap
Ok so this post should take you up to where it sets today
Got some factory bucket seat tracks (non swivel) cheap off ebay and bolted them to some seats (I dont even know what they are from) I had laying around and then bolted them to the floor in place of the bench.
And yes they are tan, but at least now I can comfortably fit in the damn car
(Im 6'5)
![My 73 Chevelle turbo LS swap Photo0295_zps22729f76](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/Photo0295_zps22729f76.jpg)
![My 73 Chevelle turbo LS swap Photo0296_zps3f2e8e29](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/Photo0296_zps3f2e8e29.jpg)
Started taking the 4.8 apart to change oil pan & pickup and install a '00 ls1 cam I got dirt cheap, and while I was at it I decided to do new gaskets, valve springs, timing chain and oil pump too.
![My 73 Chevelle turbo LS swap 20140525_173624_zpsb72e88a9](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140525_173624_zpsb72e88a9.jpg)
Motors pretty clean for having 140k miles on it
![My 73 Chevelle turbo LS swap 20140330_153114_zps833d3d83](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140330_153114_zps833d3d83.jpg)
![My 73 Chevelle turbo LS swap 20140330_152455_zpsf1fba4cd](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140330_152455_zpsf1fba4cd.jpg)
CtsV pan and new flexplate
![My 73 Chevelle turbo LS swap 20140328_180801_zps2dc0fdf5](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140328_180801_zps2dc0fdf5.jpg)
Cant find the pics of them, but I used The Car Shop Inc 1" setback plates and just bolted the factory motor mounts from the 307 to them. With those and the ctsv pan on it was time to test fit.
![My 73 Chevelle turbo LS swap 20140531_161007_zps0c3ef1c3](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140531_161007_zps0c3ef1c3.jpg)
Almost perfect, just need to cut down 1 of the bosses on the side of the pan (its there for part of the oil cooler in a ctsv) Can see the one I cut here (top one in pic)
![My 73 Chevelle turbo LS swap 20140531_161138_zpsb4499159](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140531_161138_zpsb4499159.jpg)
Its in and bolted up. Never even took the factory th350 out of the car, just unbolted it from the 307, put a higher stall converter in I had, and bolted the 4.8 to it. Will be doing a shift kit as well, just want to get it running first.
![My 73 Chevelle turbo LS swap 20140531_174229_zpsa4f2e649](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140531_174229_zpsa4f2e649.jpg)
![My 73 Chevelle turbo LS swap 20140531_174216_zpsed4fe761](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140531_174216_zpsed4fe761.jpg)
Here you can see how far the ctsv pan hangs below the crossmember (floor jack is under the trans not the oilpan)
![My 73 Chevelle turbo LS swap 20140531_161306_zps1c683687](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140531_161306_zps1c683687.jpg)
Put head studs in for 2 reasons, #1 the chinese studs were only $10 more than a set of GM head bolts and I can re-use the studs unlike the TTY headbolts. #2 Im planning on turboing this motor next year and these studs are a little extra insurance to keep everything together @ 15psi.
![My 73 Chevelle turbo LS swap 20140605_203106_zps1507d4f1](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140605_203106_zps1507d4f1.jpg)
![My 73 Chevelle turbo LS swap 20140605_203053_zps664a6f4f](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140605_203053_zps664a6f4f.jpg)
Swapped the factory steering box out for a 12.5:1 box from a Jeep Grand Cherokee using the pitman arm from the chevelle box and attached to the factory column with a rag joint for a mid 80s chevy truck, and to the 4.8s power steering pump with the pressure hose for a 80s Monte SS. These are the best pics I have of it, didnt take any while I was doing it.
![My 73 Chevelle turbo LS swap 20140801_105334_zpsltpp7axu](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140801_105334_zpsltpp7axu.jpg)
![My 73 Chevelle turbo LS swap 20140801_105351_zpsoqnw21zd](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140801_105351_zpsoqnw21zd.jpg)
Then started putting it back together (dont have pics of everything cause as usual I forget to stop and take pics
)
![My 73 Chevelle turbo LS swap 20140615_130842_zps629039ac](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140615_130842_zps629039ac.jpg)
![My 73 Chevelle turbo LS swap 20140620_141256_zps55521741](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140620_141256_zps55521741.jpg)
![My 73 Chevelle turbo LS swap 20140620_141305_zps8b8569e8](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140620_141305_zps8b8569e8.jpg)
Even the radiator hoses from the 4.8 worked (had to cut the lower a bit)
![My 73 Chevelle turbo LS swap 20140620_152428_zps0cb96d21](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140620_152428_zps0cb96d21.jpg)
![My 73 Chevelle turbo LS swap 20140620_152451_zps23b4c27a](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140620_152451_zps23b4c27a.jpg)
Biggest surprise I found was the stock throttle cable from the 4.8 fit perfectly with only minor mods to the hole where it passes through the firewall, and shortening it about 1".
(truck on the right)
![My 73 Chevelle turbo LS swap 20140621_104913_zps565a8d7b](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140621_104913_zps565a8d7b.jpg)
![My 73 Chevelle turbo LS swap 20140620_152508_zps48188030](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140620_152508_zps48188030.jpg)
Re-wired the stock harness from the 4.8 to be stand alone by myself (this took longer than getting the motor in the car) then started laying it out in the car before I wrap it back up. Going to put the computer and fuse/relay block behind driver side headlight.
![My 73 Chevelle turbo LS swap 20140621_103349_zps8d4a74b6](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140621_103349_zps8d4a74b6.jpg)
![My 73 Chevelle turbo LS swap 20140621_103357_zps777ef6d0](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140621_103357_zps777ef6d0.jpg)
![My 73 Chevelle turbo LS swap 20140621_120608_zpseea36e82](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140621_120608_zpseea36e82.jpg)
![My 73 Chevelle turbo LS swap 20140621_115037_zps7f897d24](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140621_115037_zps7f897d24.jpg)
![My 73 Chevelle turbo LS swap 20140621_120649_zpsb13f03a1](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140621_120649_zpsb13f03a1.jpg)
![My 73 Chevelle turbo LS swap 20140621_120710_zps66b54f84](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140621_120710_zps66b54f84.jpg)
Got my brother to weld a sump on the factory gas tank to feed the Bosch 044 fuel pump.
![My 73 Chevelle turbo LS swap 20140627_195032_zpsbebd337b](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140627_195032_zpsbebd337b.jpg)
![My 73 Chevelle turbo LS swap 20140627_211211_zps4c4e8b22](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140627_211211_zps4c4e8b22.jpg)
Thats as many pics as Ive got right now, working on getting the factory exhaust manifolds to fit currently, then finish the harness, fuel system and exhaust.
Got some factory bucket seat tracks (non swivel) cheap off ebay and bolted them to some seats (I dont even know what they are from) I had laying around and then bolted them to the floor in place of the bench.
And yes they are tan, but at least now I can comfortably fit in the damn car
![Very Happy](https://2img.net/i/fa/i/smiles/icon_biggrin.png)
![My 73 Chevelle turbo LS swap Photo0295_zps22729f76](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/Photo0295_zps22729f76.jpg)
![My 73 Chevelle turbo LS swap Photo0296_zps3f2e8e29](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/Photo0296_zps3f2e8e29.jpg)
Started taking the 4.8 apart to change oil pan & pickup and install a '00 ls1 cam I got dirt cheap, and while I was at it I decided to do new gaskets, valve springs, timing chain and oil pump too.
![My 73 Chevelle turbo LS swap 20140525_173624_zpsb72e88a9](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140525_173624_zpsb72e88a9.jpg)
Motors pretty clean for having 140k miles on it
![My 73 Chevelle turbo LS swap 20140330_153114_zps833d3d83](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140330_153114_zps833d3d83.jpg)
![My 73 Chevelle turbo LS swap 20140330_152455_zpsf1fba4cd](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140330_152455_zpsf1fba4cd.jpg)
CtsV pan and new flexplate
![My 73 Chevelle turbo LS swap 20140328_180801_zps2dc0fdf5](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140328_180801_zps2dc0fdf5.jpg)
Cant find the pics of them, but I used The Car Shop Inc 1" setback plates and just bolted the factory motor mounts from the 307 to them. With those and the ctsv pan on it was time to test fit.
![My 73 Chevelle turbo LS swap 20140531_161007_zps0c3ef1c3](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140531_161007_zps0c3ef1c3.jpg)
Almost perfect, just need to cut down 1 of the bosses on the side of the pan (its there for part of the oil cooler in a ctsv) Can see the one I cut here (top one in pic)
![My 73 Chevelle turbo LS swap 20140531_161138_zpsb4499159](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140531_161138_zpsb4499159.jpg)
Its in and bolted up. Never even took the factory th350 out of the car, just unbolted it from the 307, put a higher stall converter in I had, and bolted the 4.8 to it. Will be doing a shift kit as well, just want to get it running first.
![My 73 Chevelle turbo LS swap 20140531_174229_zpsa4f2e649](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140531_174229_zpsa4f2e649.jpg)
![My 73 Chevelle turbo LS swap 20140531_174216_zpsed4fe761](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140531_174216_zpsed4fe761.jpg)
Here you can see how far the ctsv pan hangs below the crossmember (floor jack is under the trans not the oilpan)
![My 73 Chevelle turbo LS swap 20140531_161306_zps1c683687](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140531_161306_zps1c683687.jpg)
Put head studs in for 2 reasons, #1 the chinese studs were only $10 more than a set of GM head bolts and I can re-use the studs unlike the TTY headbolts. #2 Im planning on turboing this motor next year and these studs are a little extra insurance to keep everything together @ 15psi.
![My 73 Chevelle turbo LS swap 20140605_203106_zps1507d4f1](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140605_203106_zps1507d4f1.jpg)
![My 73 Chevelle turbo LS swap 20140605_203053_zps664a6f4f](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140605_203053_zps664a6f4f.jpg)
Swapped the factory steering box out for a 12.5:1 box from a Jeep Grand Cherokee using the pitman arm from the chevelle box and attached to the factory column with a rag joint for a mid 80s chevy truck, and to the 4.8s power steering pump with the pressure hose for a 80s Monte SS. These are the best pics I have of it, didnt take any while I was doing it.
![My 73 Chevelle turbo LS swap 20140801_105334_zpsltpp7axu](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140801_105334_zpsltpp7axu.jpg)
![My 73 Chevelle turbo LS swap 20140801_105351_zpsoqnw21zd](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140801_105351_zpsoqnw21zd.jpg)
Then started putting it back together (dont have pics of everything cause as usual I forget to stop and take pics
![Head Bang](/users/1813/58/83/10/smiles/772947.gif)
![My 73 Chevelle turbo LS swap 20140615_130842_zps629039ac](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140615_130842_zps629039ac.jpg)
![My 73 Chevelle turbo LS swap 20140620_141256_zps55521741](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140620_141256_zps55521741.jpg)
![My 73 Chevelle turbo LS swap 20140620_141305_zps8b8569e8](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140620_141305_zps8b8569e8.jpg)
Even the radiator hoses from the 4.8 worked (had to cut the lower a bit)
![My 73 Chevelle turbo LS swap 20140620_152428_zps0cb96d21](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140620_152428_zps0cb96d21.jpg)
![My 73 Chevelle turbo LS swap 20140620_152451_zps23b4c27a](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140620_152451_zps23b4c27a.jpg)
Biggest surprise I found was the stock throttle cable from the 4.8 fit perfectly with only minor mods to the hole where it passes through the firewall, and shortening it about 1".
(truck on the right)
![My 73 Chevelle turbo LS swap 20140621_104913_zps565a8d7b](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140621_104913_zps565a8d7b.jpg)
![My 73 Chevelle turbo LS swap 20140620_152508_zps48188030](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140620_152508_zps48188030.jpg)
Re-wired the stock harness from the 4.8 to be stand alone by myself (this took longer than getting the motor in the car) then started laying it out in the car before I wrap it back up. Going to put the computer and fuse/relay block behind driver side headlight.
![My 73 Chevelle turbo LS swap 20140621_103349_zps8d4a74b6](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140621_103349_zps8d4a74b6.jpg)
![My 73 Chevelle turbo LS swap 20140621_103357_zps777ef6d0](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140621_103357_zps777ef6d0.jpg)
![My 73 Chevelle turbo LS swap 20140621_120608_zpseea36e82](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140621_120608_zpseea36e82.jpg)
![My 73 Chevelle turbo LS swap 20140621_115037_zps7f897d24](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140621_115037_zps7f897d24.jpg)
![My 73 Chevelle turbo LS swap 20140621_120649_zpsb13f03a1](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140621_120649_zpsb13f03a1.jpg)
![My 73 Chevelle turbo LS swap 20140621_120710_zps66b54f84](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140621_120710_zps66b54f84.jpg)
Got my brother to weld a sump on the factory gas tank to feed the Bosch 044 fuel pump.
![My 73 Chevelle turbo LS swap 20140627_195032_zpsbebd337b](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140627_195032_zpsbebd337b.jpg)
![My 73 Chevelle turbo LS swap 20140627_211211_zps4c4e8b22](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140627_211211_zps4c4e8b22.jpg)
Thats as many pics as Ive got right now, working on getting the factory exhaust manifolds to fit currently, then finish the harness, fuel system and exhaust.
alowerlevel- G3GM Member
- Street Cred : 6
Re: My 73 Chevelle turbo LS swap
And even better is that I shouldnt be into the whole car for more than $3500
Rough caculations from what I can recall (I dont have the totals with me)
$1200 for the car
$500 for the complete 4.8
$300 for the ctsv pan and flexplate
$6-700 in other parts (gaskets, studs, springs, nuts & bolts etc)
and probably another $5-600 to go between exhaust, finishing the fuel system, and other odds and ends.
Then by hopefully by next spring its turbo time![Twisted Evil](https://2img.net/i/fa/i/smiles/icon_twisted.gif)
Rough caculations from what I can recall (I dont have the totals with me)
$1200 for the car
$500 for the complete 4.8
$300 for the ctsv pan and flexplate
$6-700 in other parts (gaskets, studs, springs, nuts & bolts etc)
and probably another $5-600 to go between exhaust, finishing the fuel system, and other odds and ends.
Then by hopefully by next spring its turbo time
![Twisted Evil](https://2img.net/i/fa/i/smiles/icon_twisted.gif)
alowerlevel- G3GM Member
- Street Cred : 6
Re: My 73 Chevelle turbo LS swap
Looks like you got her in. Got to give her a run yet?
driveit- Donating Member
- Street Cred : 15
Re: My 73 Chevelle turbo LS swap
I'll be installing mine soon. Cant wait to start that part of the project. I'm interested in where I will put the PCM and wiring thorugh the F/W and all the details. plus I am gonna make the AC work. I'm anxious and nervous.
ratnfested- G3GM Member
- Street Cred : 2
Re: My 73 Chevelle turbo LS swap
dynchel wrote:Nice work.
Thanks
alowerlevel- G3GM Member
- Street Cred : 6
Re: My 73 Chevelle turbo LS swap
driveit wrote:Looks like you got her in. Got to give her a run yet?
Yea only put about 10 miles on her so far, theres still some temporary things on it that I need to make permanet before I really start driving it (wire tires holding up some wiring and the air intake)
alowerlevel- G3GM Member
- Street Cred : 6
Re: My 73 Chevelle turbo LS swap
ratnfested wrote:I'll be installing mine soon. Cant wait to start that part of the project. I'm interested in where I will put the PCM and wiring thorugh the F/W and all the details. plus I am gonna make the AC work. I'm anxious and nervous.
I mounted mine on the driver side inner fender, you can kinda see it in the last pic a few inches from the end of the air cleaner
alowerlevel- G3GM Member
- Street Cred : 6
Re: My 73 Chevelle turbo LS swap
Heres a few semi better pics of where the ecm is mounted (youll have to excuse the wiring clusterf**k, Im still working on that, wanted to make sure I rewired the harness right before I started making things look nice)
![My 73 Chevelle turbo LS swap 20140621_111348_zpsc4eccfac](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140621_111348_zpsc4eccfac.jpg)
![My 73 Chevelle turbo LS swap 20141003_130914_zpsd3tqsh1t](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20141003_130914_zpsd3tqsh1t.jpg)
![My 73 Chevelle turbo LS swap 20140621_111348_zpsc4eccfac](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20140621_111348_zpsc4eccfac.jpg)
![My 73 Chevelle turbo LS swap 20141003_130914_zpsd3tqsh1t](https://2img.net/h/i148.photobucket.com/albums/s37/alowerlevel/My%20Cars%20and%20Trucks/73%20Malibu/LR4/20141003_130914_zpsd3tqsh1t.jpg)
alowerlevel- G3GM Member
- Street Cred : 6
Re: My 73 Chevelle turbo LS swap
Awesome. Any power mods to come, or are you keeping her mostly stock?
driveit- Donating Member
- Street Cred : 15
Re: My 73 Chevelle turbo LS swap
Stock for now, but its getting a turbo (hopefully) next year, and shooting for at least 500hp at the wheels (600+ crank hp)
alowerlevel- G3GM Member
- Street Cred : 6
Re: My 73 Chevelle turbo LS swap
driveit wrote:Now we are talkin.
Oh yea.... a 78mm @ about 14-16psi should get me to my goal with the 4.8.
alowerlevel- G3GM Member
- Street Cred : 6
Re: My 73 Chevelle turbo LS swap
Sounds nice. Maybe that's what I need to do too. What kind of money is that type of setup compared to buying a higher horse engine to start with?
driveit- Donating Member
- Street Cred : 15
Re: My 73 Chevelle turbo LS swap
I figure its going to cost me another $2-2500 for the turbo build. But seeing as Im already planning on a turbo I already have installed a fuel system that will support more than the power Im looking to make, and can fabricate the rest of the system myself. But when you think about it, having 5-600hp for around 4 grand, that still runs on pump gas, and drives like a normal car until you get into boost, in my mind its a no brainer. If you want to read up on turbo ls motors check out https://sites.google.com/site/sloppywiki/ theres alot of good reading there on how to make junkyard ls motors go fast, and theres alot of fast guys doing the same on ls1tech.com
alowerlevel- G3GM Member
- Street Cred : 6
Re: My 73 Chevelle turbo LS swap
So what was the final word on your exhaust system? Did you get the factory 4.8 manifolds to tuck in there?
Also, you seemed to have no problem with the truck manifold clearing the hood, in fact it looks like it was no where near close. Is that right? I'm starting my 75 Laguna LQ9 swap next week and looking for a few tips. Thanks!
Also, you seemed to have no problem with the truck manifold clearing the hood, in fact it looks like it was no where near close. Is that right? I'm starting my 75 Laguna LQ9 swap next week and looking for a few tips. Thanks!
Crawf388- G3GM Newbie
- Street Cred : 0
Re: My 73 Chevelle turbo LS swap
Crawf388 wrote:So what was the final word on your exhaust system? Did you get the factory 4.8 manifolds to tuck in there?
Also, you seemed to have no problem with the truck manifold clearing the hood, in fact it looks like it was no where near close. Is that right? I'm starting my 75 Laguna LQ9 swap next week and looking for a few tips. Thanks!
Nope the truck exhaust manifolds wouldnt fit, well the driverside fit but the pass side was no where close to fitting. I used a set of f-body manifolds I had laying around, and they fit fine with 1 minor mod, had to take out 1 of the studs on the pass side manifold and replace it with a nut & bolt.
Yep truck intake cleared no problem with the mounts and plates I used, only had to slightly notch the underside of the hood in 1 spot to clear the intake cover, but if I didnt use the cover the hood closed with room to spare without any cutting.
alowerlevel- G3GM Member
- Street Cred : 6
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