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It will allow you to increase or decrease fuel with a turn of a knob.

Me too. I have a variable boost controller for tweaking boost while driving...I would REALLY like one for pulse width!

Thanks Paul....I guess there is just something weird about these Kodiak and Topkicks.

I have tried using smaller adjustments...including different wheel sizes instead of 22.5 as a multiplier. ...

Another month....another bump

Speedo update...anyone???????/

All I want, is to have my speedo closer than 13 MPH. Is it really that hard of a thing to program? There are what I would consider "junk" tuners out there, that can change MPH parameters....why is...

I have build 64. Will it make any difference to get the build 66? And, do you see a "fix" coming for the Kodiak and Topkick speedometers??

Definitely sounds like the cluster to me.

Any updates??? I have the V1 if that makes any difference.

Any updates??? I use my mileage for my business....its kind of a PITA to have a speedometer that is off this much. I need a fix for this guys!! LOL

04 and 05 LLY Duramaxs are notoriously famous for overheating. ANY of the diesel forums will give you all the information you could possibly read.

I'll take a tire size value that will even get me close. My speedo is 13 MPH off...I can live with 3-4 MPH off. Whats the tallest tire size that works for speedo adjustment??

I know that...

Sent yesterday...waiting for reply. Thanks!

Maybe I should rephrase my question.....Blacky....did you ever come up with a fix for the speedo that will work on V1 EfiLive.....??????

Can the speedometer be calibrated to read correctly with 40" tires using the V1 EfiLive????

That would be great! I am not confident with my abilities to do a complete update of my current version of EFILIVE. It may be an old version...but it works for what I need it for. I am afraid I...

Bump....is it up yet??? Can't seem to find the fix.

Thanks man.

Looking for the fix for the speedo. Can't find a link here. Kodiak with 39.82 tall tires, 5.13 gears