This is my first 3rd Gen I have ever owned. I bought this car as a Roller for $1000 bucks with the Engine & Trans already out of the car & the motor had to be rebuilt. Now the catch! The guy I bought it from wanted to put in a ZZ4 Crater Motor & carb the car. So he took out the whole Harness from under the hood.

Now I have one pic of the car that I will post. But this car had been garaged its whole life & the body & Interior are in MINT Condition. What this guy was thinking is beyond me on making this car in to a carb car. He was the 2nd owner of the car & he bought it from the owner of a Cheverolet Dealership & he gave the car to his son who drove it through highschool & then he went to college & they gave him a newer camaro. The car went to the back of the shop there at the dealership & sat for 8 yrs & till the guy I bought it from talked the guy in to selling it. He has owned it for 6 yrs & babied it & drove it on the weekends & then put it in the garage. Well the motor blew & he thought of the ZZ4 idea & started & then thought better of it & needed money fast & then I got it. I then of course put the car in storage in my garage & it sat for the 3yrs & now I want to restore it.

The car is a 88 IROC 350 TPI with a 700R4 Transmisson. Still have the window sticker & all the maintance recrods fron back in 89 & there on thru till present.

My first problem with the car is the Engine Wiring Harness. I have the car in Houston at Pavalock Performance. He mainly does LS1 cars & LT1 cars. But is good at most everything F-Body wise. We bought a engine harness & its not working so well. I don't know if the 305 & 350s use the same harness & will a 87 or 89 harness work on a 88. So how can I fix this & where can I get a stock Harness.

My next problem is Exhaust. I got the car with no exhaust. Just the manifolds. Which all the emissons crap is there. THANK GOD, Cause im sure stock manifolds are expensive. Does anyone make stock exhaust for these cars?

Next question. Where can I buy new carper & I want to redo teh headliner. Its saging a little bit also.

Thanks Guys. I will keep this thread alive with my progess on my restoration on THE 88 IROC! My goal is to have this car look Brand New the same way it did back in 88. I want to make this in to a show car.

I already have a 2000 Formula LS1 & a 95 LT1 that are both Cammed & quick. The LS1 run 7.20s on motor on 17s N/A & my Lt1 runs 7.80s on motor & 7.50s on spray. So Im ready to do the carshows & bring a clean 3rd Gen to show.


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thats a good looking car you have, im not an expert on the tpi stuff nut i'd think the harnesses are the same just different computers not sure I'm sure someone will help you out with that you can get stock exhust set up but why would you want to do that when you can have that car exhailing alot better with some high headers flow cats and 3" exhust but I think classic industries or year one would have that summit and jegs is always a good place to look too