Speedometer is 5mph off.

Reply Subscribe

Thread Tools

Search this Thread

Sep 2, 2004 | 12:48 PM

flat4vw

Thread Starter

Mountain Pass

Joined: Aug 2004

Posts: 162

Likes: 0

From: Roswell, GA

Speedometer is 5mph off.

Hey guys,
The speedomoter on my truck reads 5mph faster than the actual speed. I'm assuming that this is because the previous owner put larger than stock tires on it (but i havent even had time to look at what size they are). Anyways, i was wondering if this means that my odometer is also wrong? My truck is a 1995, 300-6, 5 speed, 2WD and just FYI, it has a digital odometer/trip meter

thanks,
--john

Sep 2, 2004 | 07:11 PM

andym

Post Fiend

Joined: Mar 2002

Posts: 19,402

Likes: 38

From: Bonita Springs FL

Sounds like you have 31" tires on it. That will put it off by about 5mph. And yes, your odometer is off by about 5% too for as long as you had the bigger tires on it.

Sep 2, 2004 | 07:29 PM

flat4vw

Thread Starter

Mountain Pass

Joined: Aug 2004

Posts: 162

Likes: 0

From: Roswell, GA

pretty sure they're not 31's, its a 2WD. I'll check when i get home this weekend. they look smaller than stock, but again, i havent looked up the stock size for that year/bodystyle yet

thanks!

Sep 2, 2004 | 08:19 PM

92lightning

Senior User

Joined: Jul 2002

Posts: 219

Likes: 0

From: SW Michigan

If your tires are smaller than stock ,yes your odemeter would be the same % off as the speedometer. I think that is why the guys with the big tires think they are getting bad milege.

Sep 2, 2004 | 11:15 PM

SoCalDesertRider

Postmaster

Joined: Dec 2002

Posts: 3,959

Likes: 9

From: USA

Larger than stock size tires cause the speedometer to read s-l-o-w-e-r than actual vehicle speed. Smaller than stock size tires have the opposite effect.