What Engine
What Engine
I'm lookin at an 88 Trans Am at a little car dealership. The dealer says it has 90000 original miles on it. They want 3000$ for it.
With either the 305 or the 350 I think this isn't a bad price, it looks brand new and still has the t-top bag in it! Its an automatic. The car is not a GTA. My real question is from the factory did they put 350's in non GTA's? And if its a 305 is it TBI or TPI? I know you are not psycics so you can't magically tell the engine but what are your best guesses?
Thanks
Josh
With either the 305 or the 350 I think this isn't a bad price, it looks brand new and still has the t-top bag in it! Its an automatic. The car is not a GTA. My real question is from the factory did they put 350's in non GTA's? And if its a 305 is it TBI or TPI? I know you are not psycics so you can't magically tell the engine but what are your best guesses?
Thanks
Josh
TBI has a normal round air filter. TPI will not have this. Being an auto doesnt mean its a 350, but I dont believe the 350's camw with t-5 so it may be a 350. I think ive heard that if the 8th digit of the vin is an 8 then its a 350. get the vin and use the decoder on this site to find out for sure.
Senior Member

Joined: Nov 2001
Posts: 915
Likes: 2
From: Erlanger, KY
Car: 1989 Iroc-z
Engine: 350 TPI
Transmission: Auto 700R4
Axle/Gears: 9 bolt - 2.77
yeah. the 8th digit of the vin code on the dash will be an 8 for a 350 tpi, an F for a 305 tpi. tbi engines will have a big round air filteron top of the motor and tpi engines will runners on the top of the engine(they look like an aircraft motor). other than gta's having a 350 tpi, the formula firebirds can also have a 350 tpi. not a bad price for a thirdgen with 90,000 miles. i would have a very good look at it before you buy. look for damage under the car to see if its been wrecked. just giving advice.
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1989 iroc-z 350 TPI, auto trans, leather int. t-tops, edelbrock headers and cat back system, SLP cam, crane double roller chain, 4 wheel disc, and aftermarket hood. Iroc-z's forever, Ford Mustangs NEVER
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1989 iroc-z 350 TPI, auto trans, leather int. t-tops, edelbrock headers and cat back system, SLP cam, crane double roller chain, 4 wheel disc, and aftermarket hood. Iroc-z's forever, Ford Mustangs NEVER
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