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91' Suburban 5.7 TBI Swap

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Old Aug 3, 2014 | 07:08 PM
  #1  
_McDio_'s Avatar
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91' Suburban 5.7 TBI Swap

Hello folks, this is my first post here! I recently bought a 1984 Camaro with the carbureted LG4 (I think?) or whatever the low output 305 option was. With that said, I also have a brand new, never run, TBI 350 out of a 1991 Suburban.

Now my question is this - is this swap do-able? And if so, has anyone here done this, or something similar?
My concerns are centered around compatibility. I don't know what the stock transmission of the Camaro is rated for, but if it can handle a substantial amount of power, I'd like to hear that it will bolt right up to the 350.
I'm also wondering about what is actually have to DO for the swap, in terms of the fuel system as well as wiring/computers/sensors etc.
I will be watching this thread closely so please, if there is more info that you will need to assist me, ask away!
Thanks in advance.
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Old Aug 3, 2014 | 07:36 PM
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Nighthawkf-117's Avatar
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From: Minnesota
Car: 91' Camaro RS
Engine: 305 TBI V8
Transmission: 700/R4
Axle/Gears: Stock
Re: 91' Suburban 5.7 TBI Swap

If I were you I would just buy a intake and carburetor for your tbi 350. But you still will need to plumb a fuel pump however it will make wiring much simpler. If you were to stick with tbi your best bet would be to find a tbi wiring harness from a camaro. Assuming your transmission is a 700r4 which I believe it is it will bolt right up. And will handle the power from a stock 350 tbi just fine.
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