3.92 is a readily available ratio. The computer can be reset by the dealer
to correct the odometer/speedo readings meaning you don't need a speedo
black box unless you're running really odd tire sizes.
TonyC
-----Original Message-----
From: kwreimer <kwreimer@email.msn.com>
To: dakota-truck@buffnet.net <dakota-truck@buffnet.net>
Date: Sunday, October 28, 2001 9:12 AM
Subject: DML: Re: axle ratio
>Can 3:70 be obtained? if so this may be better, still close to the 3:55 but
>a little quicker of the line with the 3:70 or 3:90's, the 3:90 will be ok i
>have thought about going to these myself, i have a 2K dak with 3:55 limited
>slip now. I like the 3:55, but would be nicer to be quicker off the line.
>the RPM change should be minor, only around 200-300 RPM More.
>----- Original Message -----
>From: "DML" <gwbower@hotmail.com>
>To: <dakota-truck-moderator@bent.twistedbits.net>
>Sent: Saturday, October 27, 2001 9:27 PM
>Subject: DML: axle ratio
>
>
>> Anyone drive a 4.7 with a 3.92 axel ratio? If so how is the performance
at
>> highway speeds. what is rpm at 70mph (or even 80mph if you go that fast).
>> gas milage? I am trying to decide what ratio to get with a truck I am
>going
>> to order when my present truck sells.
>>
>>
>>
>
>
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