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Re: Big block verses small block?
13mpg with a 575tq 550hp 496 on 87 octane makes for a pretty good daily driver.
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Steve
1971 GMC Longbox. Full Roller Stroker 489 w/ FiTech EFI, Chris Straub Cam/NV4500/205/D60/14B w. Grizzly Locker and 4.11's. 2" Lift on 33's
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