LT4 HC swap... what kind of mileage to expect
Thread Starter
Joined: Jul 2003
Posts: 2,017
Likes: 13
From: Troup, Texas
Car: 1989 Camaro IROC-Z
Engine: ZZZ# 0607 of 1200 produced
Transmission: Pro-Built 700R4/Vig.2400
Axle/Gears: 3.27 BW 9 Bolt PBR Disc
LT4 HC swap... what kind of mileage to expect
Interested in seeing what kind ofa mileage decrease I can expect from the swap from a stock L98,not throwing down the best #'s right now anyway.... to a LT4hc/Vortec Heads-Base/ported plenum and slp runner....
Thanks fellas
Will
Thanks fellas
Will
Thread Starter
Joined: Jul 2003
Posts: 2,017
Likes: 13
From: Troup, Texas
Car: 1989 Camaro IROC-Z
Engine: ZZZ# 0607 of 1200 produced
Transmission: Pro-Built 700R4/Vig.2400
Axle/Gears: 3.27 BW 9 Bolt PBR Disc
EGR kit.... No big deal. they should pass with flying colors
Will
Will
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