My 73 Chevelle turbo LS swap

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Re: My 73 Chevelle turbo LS swap

Post by Showtime73 on Mon Jul 09, 2018 3:47 pm

They are both very nice! How much hp you think the 73 will make?
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Re: My 73 Chevelle turbo LS swap

Post by alowerlevel on Tue Jul 10, 2018 12:51 am

Showtime73 wrote:They are both very nice!  How much hp you think the 73 will make?

Thanks, the 73 should be around 350ish @ the wheels on low boost (6-7psi) and 500+ wheel hp turned up (14-15psi).
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Re: My 73 Chevelle turbo LS swap

Post by alowerlevel on Tue Jul 10, 2018 12:57 am

Limey SE wrote:Like it them wheels look real good on the 73

Beer Im already measuring on how to get a bigger tire on the back, the 275/60s just look so small on these cars, might try to squeeze a 295/65 in there.



Same height tire (28") on my 67
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Re: My 73 Chevelle turbo LS swap

Post by Showtime73 on Wed Jul 11, 2018 10:01 am

I agree on the tires, I spent hours and hours looking for the perfect tire and I still think I came up short, literally. Mine are only 26.7, so I know the car will either come down or the tires will get bigger.
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Re: My 73 Chevelle turbo LS swap

Post by impalamonte on Thu Jul 12, 2018 12:08 pm

I installed 295/ 45 's on the rear. Rear spring compressed , I have 3/8" clearance between the sidewall and INNER fender lip.
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Re: My 73 Chevelle turbo LS swap

Post by alowerlevel on Sun Aug 12, 2018 12:02 am

Had both cars out for the towns car show last month


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Re: My 73 Chevelle turbo LS swap

Post by alowerlevel on Sun Aug 12, 2018 12:05 am

Put sound deadner and new carpet in the car after 5 years without any carpet


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Re: My 73 Chevelle turbo LS swap

Post by alowerlevel on Sun Aug 12, 2018 12:08 am

And a new steering wheel


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Re: My 73 Chevelle turbo LS swap

Post by alowerlevel on Sun Aug 12, 2018 12:41 am

Can anyone else see the pics of the ls swap on page 1, or is it just me? If not I guess Ill have to rebuild all the other pages..........cause I can see all the pictures.........


Last edited by alowerlevel on Sun Aug 12, 2018 1:25 am; edited 1 time in total
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Re: My 73 Chevelle turbo LS swap

Post by alowerlevel on Sun Aug 12, 2018 1:10 am

Also put a 4" electric cutout on the downpipe, then reduced it down into the single 3" exhaust that was on the car before.





Never thought 3" exhaust would look small...



2.5" vs  4"



Vid of the cutout while it was being mocked up

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Re: My 73 Chevelle turbo LS swap

Post by NOMOREWORK on Thu Aug 16, 2018 4:47 pm

I just checked all the pictures are there

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Re: My 73 Chevelle turbo LS swap

Post by Iguy on Fri Aug 17, 2018 8:19 am

alowerlevel wrote:Can anyone else see the pics of the ls swap on page 1, or is it just me? If not I guess Ill have to rebuild all the other pages..........cause I can see all the pictures.........

I can't see the pics on page 1 but all of the rest seem to work.

Awesome progress on your turbo build! Thanks for the updates. I'll be interested to see how you get the 4l80e in there, I've read a lot of A-body cars need to modify the transmission tunnel in the floor to get it to fit because it's bigger than the th350.
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Re: My 73 Chevelle turbo LS swap

Post by NOMOREWORK on Sun Sep 23, 2018 9:55 am

When you swap transmissions will you also be swapping rear gears ?

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Re: My 73 Chevelle turbo LS swap

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