If the overall tire size isn't something the factory offered (or is out of
the factory range), they yes...programming is required. We've had to flash
the PCM on several '98+ models due to tire size changes
(oversized/undersized tires and stock gearing). The DRB-III can do that.
(One nice thing the passenger cars have is that option in the basic
diagnostic screens.)
- Bernd
-----Original Message-----
From: owner-dakota-truck@bent.twistedbits.net
[mailto:owner-dakota-truck@bent.twistedbits.net] On Behalf Of B1LLYW@aol.com
Sent: Sunday, October 26, 2003 7:39 AM
To: aol@dakota-truck.net
Subject: Re: DML: RE: 4:56:1 Gear installation Question
In a message dated 10/26/2003 8:23:55 AM Eastern Standard Time,
bernd@texas.net writes:
> With gears/tire combinations that are out of the factory option
> range...the speedo does change.
>
> - Bernd
>
Nope. Unless the Dakota and Ram are different on that count. I ran 4.56 in
my '00 Ram and the speedo was dead on with those gears (stock had been
3.55).
The PCM can compensate for a gear change alone because the sensor in the
pumpkin just counts more teeth basically. It is only when you change tire
heights
up or down that the PCM cannot automatically compensate for the difference.
Bill White - http://www.bionicdodge.com
'95 Dakota CC 4x2 - under construction
'03 Ram 1500 QC 4x4 Hemi Off-Road
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