If you change your tire diameter, the speedo will be off unless you get the PCM
re-set to use the correct size. It can only be set to one of 4 factory tire
sizes. If you put on tires that aren't a factory size, you will need that black
box that fixes the signal or just get the setting "close."
Punch wrote:
> but I though dodge, had 1 up sizing that wouldn't effect the speedo!
> Punch
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 1998 Dakota CC V6, Deep Amethyst, K&N Homebrew Intake,
> Gutter Guard Grills, Dynomax Cat Back Exhaust,
> Autolite 3923's.
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> *In the near future: Jet stage 2, Billet TB, 180Dg. Thermo, energy
> suspension bushings,
> Hotchkis sway bars, BFG A/T KO 235/75/15, AirRaid intake, Leer Cap, Spray
> in bedliner,
> MTX Thunderforms.
> ----- Original Message -----
> From: "Andy Levy" <andylevy@yahoo.com>
> To: <dakota-truck-moderator@bent.twistedbits.net>
> Sent: Friday, October 26, 2001 1:05 PM
> Subject: Re: DML: Tires again!!! + more
>
> > That's correct. With a larger tire, you will be traveling further per
> revolution
> > of the tire/axle than the computer thinks you are. The computer is
> programmed
> > that X revolutions = 1 mile with the stock tire. A larger tire means
> you're
> > going farther in the same number of revolutions. So, your indicated
> > speed/distance will be lower than the actual.
> >
> >
> > ArcticRoze@aol.com wrote:
> >
> > > I am very confused by the change with the speedometer readings. I
> thought I
> > > read an article in one of the truck magazines recently which said bigger
> > > tires made you faster than the speedometer reading. So if I was reading
> 70 I
> > > am actually traveling at 75, or something like that. Could someone help
> > > straighten that out for me?
> >
> > > Julie
> >
> > > 00' SLT+ QC V6 3.9 4x2 Driftwood
> > > Gibson Exhaust, Quick D Intake & Throttle Body
> > > http://hometown.aol.com/arcticroze/myhomepage/auto.html
> >
> >
This archive was generated by hypermail 2b29 : Fri Jun 20 2003 - 12:03:22 EDT