Engine Swap Everything about swapping an engine into your Third Gen.....be it V6, V8, LTX/LSX, crate engine, etc. Pictures, questions, answers, and work logs.

v6 to v8

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Old Mar 17, 2003 | 07:48 PM
  #1  
89cmrodriver's Avatar
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From: chesapeake va
Car: 08 Sierra, 08 Silverado, 91 z28
Engine: 5.3, 4.3, 5.7
Transmission: autos
v6 to v8

i have the chance to get a 350 tbi v8 outta a 88 chevrolet 1500 pickup, what do i need to do to put it in my 89 camaro rs??

thanks a bunch guys
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Old Mar 17, 2003 | 08:40 PM
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1991tealRSt-topGuy's Avatar
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Car: 1991 Corvette Coupe
Engine: L98
Transmission: 700R4/4L60 same trans different name
wait until you find a multi port motor

swapping to a TBI motor is more of a head ache and in the long run, not worth it
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Old Mar 17, 2003 | 08:44 PM
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From: chesapeake va
Car: 08 Sierra, 08 Silverado, 91 z28
Engine: 5.3, 4.3, 5.7
Transmission: autos
what other cars can i get a tpi motor out of? is it harder to swap a tpi into it or a carb?
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Old Mar 17, 2003 | 09:22 PM
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From: Chicago, IL
Car: 1992 Camaro RS
Engine: 350 TPI
Transmission: T5- manual five speed
its harder to do the tpi swap but its more efficient and better for emissions. im doing a v6 to a tpi 350 i pulled out of an 89 iroc. putting it my 92 rs. need the wire loom since it isnt interchangable as well as all the accesories and manifolds. youll need fuel and ac lines also. as well as a whole new exhaust due to different pipe size.
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Old Mar 18, 2003 | 06:51 AM
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From: chesapeake va
Car: 08 Sierra, 08 Silverado, 91 z28
Engine: 5.3, 4.3, 5.7
Transmission: autos
what parts would i need to do the carb swap? i know id need the gas tank, but what other stuff
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Old Mar 18, 2003 | 10:30 AM
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From: Chicago, IL
Car: 1992 Camaro RS
Engine: 350 TPI
Transmission: T5- manual five speed
you need a new fuel pump, carb only requires 5-6 psi whereas tpi is in the high 30's. youll also need the intake manifold that is setup for either a two or four barrel depending on what you use. my dads car is an 80 z28 with a 350 bored 30 over and a mild cam with a rochester four barrel, the thing is damn fast. plus he disconnects the AIR pump and there is no a/c.
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Old Mar 18, 2003 | 12:01 PM
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From: chesapeake va
Car: 08 Sierra, 08 Silverado, 91 z28
Engine: 5.3, 4.3, 5.7
Transmission: autos
would a motor out of a old impala or caprice work? those are easy to come by for cheap...can i use v6 motor mounts with the v8? will i need to change my front springs, will it pass inspection?
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Old Mar 18, 2003 | 01:42 PM
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From: Chicago, IL
Car: 1992 Camaro RS
Engine: 350 TPI
Transmission: T5- manual five speed
you could use the motor out of an impala or caprice since the blocks are the same but remeber your going to have to buy all the brackets and pumps specific for the camaro. i know my v6 has a different bracket and pump setup than the 350 iroc did that is why i held out for a junk iroc to use as a donor. im not sure if the mounts are different i know they are in a different place on the frame. yes you have to change the springs unless you dont mind bottoming out around every turn. as for emissions it depends on the year and engine of your car. thats the reason i went for a newer tpi instead of an older carbed engine.
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Old Mar 18, 2003 | 03:08 PM
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From: chesapeake va
Car: 08 Sierra, 08 Silverado, 91 z28
Engine: 5.3, 4.3, 5.7
Transmission: autos
humm thanks for the info, i think ill just try to get a iroc or z28 with a motor and all so i can use what i need or, just use the car...
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