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tbi 350 to 5.7 vortec swap: stupid questions

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Old Aug 23, 2014 | 05:31 PM
  #1  
dusterbd's Avatar
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From: locust, NC
tbi 350 to 5.7 vortec swap: stupid questions

so I was running a mild 350, 700r4, stock TBI and electronics and intake. using the 95 chevy truck ecm reflashed for the 700r4. intank pump and assembly from a 97 monte carlo 3.4 dohc adapted to my fuel tank. (obviously, this aint a Camaro, you guys are just the most resourceful and competent guys out there for all this. its actually in a daily driven pro-touring 64 elcamino)

anyway, the body shop where the truck has been for the past year did not add antifreeze to the system, and cracked the block. this thing is now a boat anchor.

I have a line on a fresh 5.7 vortec motor for a reasonable cost. comes with a mild cam (unsure of specs, but the seller states that its the biggest you can go with a stock converter. comes with stock cam as well). also comes with a carb intake for the vortec heads.

im wondering what all I will need to do to adapt the tbi setup in here. I've seen the gmpp tbi intake, but that costs more than the motor. I've also seen the tbi to squarebore adapters, which would make perfect sense to me as I have a carb intake. what do I then do about the tv linkage for the 700r4?

do my accessories bolt up? (stock serpentine assembly from an 89 Camaro)
do my exhaust manifold fit?
is it a different starter, flexplate, torque converter, etc?

I've been searching all day, and have been unable to find the answers. so im asking.

thanks for the wonderful board, guys, and one day ill find the third gen iroc convertible I've been hunting.

Michael
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Old Aug 23, 2014 | 05:53 PM
  #2  
midias's Avatar
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Car: 1984 Trans Am L69
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Re: tbi 350 to 5.7 vortec swap: stupid questions

All you should need is a vortec intake manifold.
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Old Aug 23, 2014 | 06:40 PM
  #3  
dusterbd's Avatar
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From: locust, NC
Re: tbi 350 to 5.7 vortec swap: stupid questions

what about the tv cable? and it comes with a vortec intake for a carb that I would use an adapter for.
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Old Aug 24, 2014 | 12:46 AM
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From: TN
Car: 1990 Camaro RS
Engine: L31
Transmission: 700R4
Re: tbi 350 to 5.7 vortec swap: stupid questions

I did the swap into my camaro with an carb to tbi adapter plate. My intake has a provision for the front throttle cable bracket hole and I just bent the rear leg on it over and bolted it down. My geometry works fine and doesn't bind.

My front accessories bolted right up but I could not use my manifolds due to camaros using the third bolt hole at the rear of the exhaust port. I used my tbi 305 flexplate and starter so any converter that fits the flexplate and transmission will work.
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Old Aug 24, 2014 | 01:06 AM
  #5  
RS-Chevy-SS's Avatar
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From: California
Car: 1989 Chevy Camaro RS
Engine: L30 TBI 5.0L Vortec
Transmission: 700R4
Axle/Gears: Stock
Re: tbi 350 to 5.7 vortec swap: stupid questions

Originally Posted by dusterbd
so I was running a mild 350, 700r4, stock TBI and electronics and intake. using the 95 chevy truck ecm reflashed for the 700r4. intank pump and assembly from a 97 monte carlo 3.4 dohc adapted to my fuel tank. (obviously, this aint a Camaro, you guys are just the most resourceful and competent guys out there for all this. its actually in a daily driven pro-touring 64 elcamino)

anyway, the body shop where the truck has been for the past year did not add antifreeze to the system, and cracked the block. this thing is now a boat anchor.

I have a line on a fresh 5.7 vortec motor for a reasonable cost. comes with a mild cam (unsure of specs, but the seller states that its the biggest you can go with a stock converter. comes with stock cam as well). also comes with a carb intake for the vortec heads.

im wondering what all I will need to do to adapt the tbi setup in here. I've seen the gmpp tbi intake, but that costs more than the motor. I've also seen the tbi to squarebore adapters, which would make perfect sense to me as I have a carb intake. what do I then do about the tv linkage for the 700r4?

do my accessories bolt up? (stock serpentine assembly from an 89 Camaro)
do my exhaust manifold fit?
is it a different starter, flexplate, torque converter, etc?

I've been searching all day, and have been unable to find the answers. so im asking.

thanks for the wonderful board, guys, and one day ill find the third gen iroc convertible I've been hunting.

Michael
All of these questions are more than covered in mine and spaceboy's threads regarding these exact swaps. Read the threads and you'll have all the info you need.
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