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G3GM 1973 to 1977 A-bodys. Chevelles, Monte Carlos, El Caminos, Laguna, 442, Cutlass, Malibu, GTO, LeMans, Century, Regal, Grand Am, Grand Prix, Sprint, Gran Sport, Can Am, Hurst-olds, and other 73-77 A-bodies


Impala SS gas tank

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bitterfitter
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G3GM :: G3 Tech :: Part interchangeability

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Impala SS gas tank Empty Impala SS gas tank

Post by dynchel Sun Jan 12, 2014 7:38 pm

I was reading a pro touring build of a '77 Malibu on chevy talk, and the builder claimed a '96 impala SS tank was a direct bolt in. He claims it is plastic 25 gallon, set up for fuel injection, and even the straps (from the impala) fit. I figured I would post this here since I don't recall this ever being mentioned. Btw I'm just repeating what I read, I have no first hand experience with this swap.
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Post by thatfnthing Sun Jan 12, 2014 9:40 pm

Crap. Wish I'd have known that 7 years ago -- I could have saved the $$$ I spent on a custom tank.
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Post by 1973montec Sun Jan 12, 2014 9:42 pm

but a 73 neck is different than a 74-77. so i guess the 96 tank would of fit with the 73 modification... scratch 
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Post by Limey SE Mon Jan 13, 2014 1:21 am

thatfnthing wrote:Crap. Wish I'd have known that 7 years ago -- I could have saved the $$$ I spent on a custom tank.

1973montec wrote:but a 73 neck is different than a 74-77.  so i guess the 96 tank would of fit with the 73 modification... scratch 

And yes you would have to change to Accomadate for the 73 difference but it is a direct bolt in to our cars, as is the rears LOL Hint Hint
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Post by bitterfitter Mon Jan 13, 2014 6:06 am

Do you think it is just the SS or will any tank from a 94-96 impala fit? How about the Caprice from those years?

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Post by thatfnthing Mon Jan 13, 2014 12:10 pm

The Caprice, Impala SS, and Buick Roadmaster were the same car, so if it works from one, it should work from the rest.
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Post by Wallyuph Tue Jan 14, 2014 11:18 am

It works I have the tank, straps and fuel neck in the 74 project I'm working on. Make sure you get the heat shields that go around the tank as that plastic is close to exhaust. The tank is big but it fits. I don't any more photos of the tank its self but I can take some if you want me to.The tank has baffles in it and the electric fuel pump. The rear end it out of the Impala also the front upper and lower control arms spindles all swap also. Now I have 5 on5 bolt pattern for all 4 wheels.
Impala SS gas tank <a href=Impala SS gas tank Img_6210" />

Impala SS gas tank <a href=Impala SS gas tank Exhaus10" />
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Post by thatfnthing Tue Jan 14, 2014 2:40 pm

1973montec wrote:but a 73 neck is different than a 74-77.  so i guess the 96 tank would of fit with the 73 modification... scratch 

Good point. Now I don't feel so bad. Smile
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Post by bitterfitter Tue Jan 14, 2014 3:33 pm

Do you need to swap the control arms to use the spindles?

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Post by Wallyuph Tue Jan 14, 2014 3:54 pm

I don't know they were installed when I bought the car. I have read some where that its all inner changeable between 73-77 and the 96 area impalas . But don't quote me.
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Post by thatfnthing Tue Jan 14, 2014 4:33 pm

bitterfitter wrote:Do you need to swap the control arms to use the spindles?

That one I can answer definitively, since I upgraded mine to ABS from a Caprice.  The Caprice spindles will work fine with the stock A-body control arms and tie-rod ends.  You should even be able to re-use your D52 calipers.  However, the wheels will be physically 1/4" inboard from their previous location, so plan for that and probably an alignment.

You may also be interested in this thread, which has a bit more detail:

https://www.g3gm.com/t5345-anti-lock-brakes-upgrade-for-our-cars

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Post by brownbomber77 Sun Oct 12, 2014 10:11 am

You guys that installed the tank, what did you use for fittings and lines? I still plan on running a carb and a fuel regulator, I'm just wondering how the lines from the fuel pump hook up to factory lines.

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Post by dynchel Sun Oct 12, 2014 10:19 am

At my shop we have a kit made by s.u.r.&r.  It has all sorts of unions and fittings to make your own.   I have plastic line on my car with quick release fittings at the pump & carb.(it can be removed with no tools ) . I also have a modern inline fuel filter (metal) over the rear end with quick release fittings.
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Post by brownbomber77 Sun Oct 12, 2014 5:08 pm

Any chance you remember what fittings you used...? haha It would just help out exponentially so I don't have to buy some, return some, etc.

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Post by dynchel Sun Oct 12, 2014 5:23 pm

I could try to look at part numbers tomorrow. Your best bet  would be to have to have the sending unit in front of you.
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