Hi everyone

I am needing a 2010 Hummer with 6.2 liter engine to do a compare in Tunercats .Cal format

Anyone have one I could get, would help solve a problem where someone did not tune this...

When Tunercat OBD-II tuner came out around 2002 GM flashes in most cases were only 512K bytes and that was for PCM and auto tranny
Now GM calibrations are like 4 mg bytes and that is each for PCM...

Hi Carl
Thanks for the reply, I think your correct about if MSwindows is 32 or 64 bit, most P/C and laptops are 64 bit and crashes for the editor seems to crash very easy then if using a older P/C...

Hi Dave, thanks for the reply

I see your using different software the RTT which is different coding then the
OBD-II Tunercat software I use so problems may be different but shows common faults...

This problem has been around since Windows XP and gotten worse with newer Windows like 7, 8.1 and 10

The larger the flash file is (newer the vehicle is) the more apt some type of failure occurs...

This caddy is not local to me so cannot take photos
Owner has to deal with the oversized inner cooler that was used at the time had larger dual turbos and then smaller ones were installed
add they...

Thanks Carl

Hi there

Trying to clean a mess up on a 2007 Caddy XLR

The present owner bought this about 1 year ago and really regrets he did
To make it worse he knows nothing about how cars function or...

Hi Folks
I have wrenched and races cars since the late 1960s and have owned Corvettes since 1975
For many years raced them in many formats

Been custom PCM/TCM tuning since 1995 as back then...