Re-calibrate speedo programer anyone have one?

ChrisD · Unread post by **ChrisD** » Mon Nov 14, 2011 11:12 am

Not that it is a big to have the speedo off, however in the end my total milage will not be correct. Does anyone have a programer so I can recalibrate?

Hoodoo Man · Unread post by **Hoodoo Man** » Mon Nov 14, 2011 7:04 pm

doesn't your Jeep use a speedo gear? IIRC the downside of the superchips is it is wed to a VIN so you cant use it on multiple rigs. FAIL...

ChrisD · Unread post by **ChrisD** » Mon Nov 14, 2011 8:06 pm

It did... until the 4:1

Hoodoo Man · Unread post by **Hoodoo Man** » Mon Nov 14, 2011 9:44 pm

Well I know a quick way to fix that, we can swap that puppy out and get you back the way you were in no time...

schwalby · Unread post by **schwalby** » Tue Nov 15, 2011 10:28 am

I have been told that a dealer can go in to your computer and change it. I went to have mine done and even after 3 different techs said they could do it they ended up being wrong. They said my computer was from an off year and they could not interface with it. I told them to stick it once I heard they still wanted to charge me.

Kurt · Unread post by **Kurt** » Tue Nov 15, 2011 12:11 pm

Just get bigger tires - problem solved

ChrisD · Unread post by **ChrisD** » Tue Nov 15, 2011 12:30 pm

Kurt wrote:Just get bigger tires - problem solved

This is how that is going to go....

Hun can I buy new 35" tires???? NO! please??? NO!

LOL

Carl McFly · Unread post by **Carl McFly** » Tue Nov 15, 2011 10:18 pm

BUT - if she does give in, OR you just happen to order 35's and they just HAPPEN to be shipped to your door..... those 33's you have would look pretty sweet on my rig

Just sayin, my Swampah's won't last forevah and if the price is right,....

Carl McFly · Unread post by **Carl McFly** » Tue Nov 15, 2011 11:04 pm

Little Napoleon wrote:Not that it is a big to have the speedo off, however in the end my total milage will not be correct

just curious, how far off is it? If 35" tires will correct it, and you're running 33's now, then.... ummmm.... .....

.... carry the two..... then your speedo / odometer is over reporting your speed / mileage by 6.448% (assuming my HS math is right). So when your speedo says 70 MPH, you're really going about 65. And after 100,000 miles, your odometer will read 106,448

Hoodoo Man · Unread post by **Hoodoo Man** » Wed Nov 16, 2011 8:47 am

Just use a GPS, its not like I see you selling your TJ..

ChrisD · Unread post by **ChrisD** » Wed Nov 16, 2011 10:25 am

It ranges from being off by 5mph to 15mph

example when the odometer reads 35, I am actually traveling ~ 27. However at 65-70 I am ~ 51mph...

johnsxj · Unread post by **johnsxj** » Wed Nov 16, 2011 1:29 pm

Little Napoleon wrote:It ranges from being off by 5mph to 15mph

example when the odometer reads 35, I am actually traveling ~ 27. However at 65-70 I am ~ 51mph...

Actually, your speed is off consistantly based on percentage. 27 divided by 35 = .77 so that would be 23% off. The average of 65-70 is 67.5 divided by 51 = .75 or 25% off.

Your best bet would be to go with this: http://www.superlift.com/accessories/truspeed.asp

Frank · Unread post by **Frank** » Sat Nov 19, 2011 10:35 am

We have calculus majors among us ? I live with it and then the speedo cable puked, now Im not over driving the odometer ! Solved. FjR68

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