Car has a 454 crate engine...original 454 has a bent rod and is in his garage. I believe it's rated at 425 horsepower. Not sure on primary size....maybe 1 7/8 or 2"....sidepipes are 4". Never been run at the track. Trans is a 4 speed M21 but he's looking at a TKO 5 speed possibly.
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--==RPM Resto & Custom==--
1989 IROC-Z Media Coverage:
Chevy High Performance - Readers Rides 4/03
GM High Tech Performance - Tech Article 3/06
Chevy Rumble - Tech & Feature Articles November 2006
Auto Restorer Magazine - Feature Article 5/11
SkinAndSteel.com
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