Tire size is the difference. 31" vs 28". About 10% faster for you guys
than me at the same rpm.
TonyC
-----Original Message-----
From: John Neff <jndneff@texas.net>
To: Dakota Mailing List <dakota-truck@dakota-truck.net>
Date: Monday, November 04, 2002 10:30 PM
Subject: Re: DML: Who's got 3.92's?
>
>OD off at 65 with 31" tires and 3.92 gears nets 2950 RPM.
>OD on at 65 with 31" tires and 3.92 gears nets 2000 RPM.
>
>I don't know why your numbers are different than mine since OD off on both
the 44 and 46Rx
>trannies should be 1:1, but those are the numbers I see on my truck.
>
>YMMV,
>John
>
><snip>
>John, are you talking OD on or off?
>My 2K R/T with 3.92s and 28" tall runs 90 at 3000 in OD or 60 at 3000 with
>OD off.
>Hell my 99 R/T with 4.10s gets 85 mph at 3000.
><unsnip>
>
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