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Re: NV4500 LD or HD
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The early has a 6.xx 1st and the late is 5.60 (I think that's it)
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yep, 6.34 vs 5.61. Second gear is slightly different too. The wide ratio was used til 1994 then the narrower ratio was used. I prefer the narrow ratio for daily use and towing but the dedicated rock crawlers and trail dudes prefer the wide ratio for that steeper first gear. I have a '96 and up in mine. I use low range in the np205 for trail needs (1.94:1).
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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
Last edited by snj8198; 12-01-2016 at 12:33 AM.
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