Bigger tires

[dbrandt1119]

I want to put bigger tires on my truck, but I dont want to mess up my speedo. I have heard there is a way to recalabrate it, does anyone know where to get what I need?

 

[CRegal]

here is a link to fix that

 

[dbrandt1119]

CRegal.

I knew I would get my answer at the round table, thanx.

 

[work2muchplay2little]

dbrandt, I installed an Abbott ERA box and wrote an install guide for it here: https://www.turbodieselregister.com/forums/showthread.php?s=&threadid=22253&highlight=abbott Whether you can use this or not as is depends on what type of brake system you have. If you just have the rear wheel anti-lock system, you can use the Abbott box without modification. If you have 4 wheel antilock brakes, then you will have to either modify the Abbott box per fest3er's instructions, or give Rickson a call who use a box that can accomodate this system.

 

[dbrandt1119]

Kurt,

What did you pay for it, I went to there website and they had no price listed.

 

[rashwor]

PCM Reprogram

I think you can also have a dealer reprogram the PCM for the tire Revolutions Per Mile (RPM) of the new tires you have providing the new RPM is listed in the PCM. The tire manufacturer should be able to tell you the RPMs.



I run Cooper Discoverer RPM = 652.

 

[work2muchplay2little]

Originally posted by dbrandt1119

Kurt,

What did you pay for it, I went to there website and they had no price listed.

Paid $150 including shipping.