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Old 05-11-2023, 12:29 PM   #47
OutlawDrifter
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Join Date: Aug 2012
Location: Northeast KS
Posts: 1,775
Re: The "Other" IROC-Z Thread

Kreen is also a great product for an engine flush(my preferred method). But the MMO and trans fluid does the job as well. Back in the dark ages we used to put

Another 3rd gen owner here. I've had mine for over 20 years. 1991 Z28 L98/700R4 G92 car. It now sports a 6.0l/T56 and Dana 44 Warranty/Parts replacement rearend.

If I could do it all over again, knowing what I know now, I would have left it a TPI car with a gen 1 SBC and an automatic. Don't get me wrong 425hp to the wheels and 4th gear rubber is awesome...but I miss the OG sounds.

If you haven't bought a catback yet, look into the Hooker Aerochamber...probably one of the best for the TPI cars, flows well and sounds like it eats small children on startup.
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1999 GMC Suburban K2500 SLT, 454/4L80E
1991 Z/28, 6.0L/T56
1949 GMC 250, S10 Frame, 6.0L/4L80E

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