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JOHNGEAR
November 5th, 2008, 05:19 PM
hi can somone direct me so i can retard some timing under boost (6psi) because i looked and looked but cannot see where i have the option to correct this issue.
thanks
oh, have the v2 program

nonnieselman
November 5th, 2008, 05:21 PM
are you running a COS?

Post your tune up also..

JOHNGEAR
November 5th, 2008, 05:39 PM
it is for a 96 k1500 changed to a 0411 from a 2001 express van

nonnieselman
November 5th, 2008, 06:03 PM
Read up on the Custom Operating systems man... COS 3 is what i use.. its got all the special tables for what you want to do.
OS 02020003 is what im using
since your running a 12212156.. thats what you can run..

lemme know if you need some more help..

look in the tutorials, everything is there.

JOHNGEAR
November 6th, 2008, 01:47 AM
thank you i just need to find the time to read up

Lextech
November 8th, 2008, 01:07 AM
Hey John,

Are you using a 4l60 or 80 trans? P.M. me your E-Mail address and I will send you a COS3 tune to get you started. You will need to input your tune specifics into it.

Jeff