Re: NV4500 swap is underway
Im running the 5:61 with upgraded main shaft and 32 spline out. shifts nice with the broad bb power band.
What series center force are you planning to use?
What kind of fly wheel does the 8.1 have? 1 piece? 2?
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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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