I'd prefer not to buy something just to change tire size. I was hoping that I could just change it myself somehow. My Dodge dealer says they MIGHT be able to do it (with their DRV scan tool???), but
he wouldn't know until he tried it. If he can do it, it will cost me $40 twice a year to switch back and forth between my smaller winter tires.
That being said... what is the Hypertech chip worth? Will it cause me problems with future warranty claims? Does Mopar have an "aftermarket" chip that would give ME that capability as well? Do the
performance chips give much extra HP or torque in the 2000-3000 rpm range (where it would help me for towing)?
...Brent
-----Original Message-----
From: Ned Buckmaster [mailto:Ned@Buckmaster.com]
Sent: Tuesday, December 21, 1999 3:00 AM
To: dakota-truck@buffnet.net
Subject: DML: RE:Computer Change re Tire Size
Buy the Hypertech Power Programmer III. In addition to giving you more
power, it allows you to correct for alternate size tires.
Ned
>Does anybody know how to change the computer to compensate for a change in
tire size? Can I do it >myself?
>For the winter, I'm changing to P235/75-15 Blizzaks. I currently have
P275/60-17 Dunlops (which are nearly-identical circumference as the stock
31x10.5 Wranglers). If I don't change the computer, my speedometer will be
out by more than 6%, and my odometer will clock up 6% too many miles.
>I'm hoping that I don't have to take it to the dealer twice a year to do
this.
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