Search:

macca33 is correct. This was originally the work of a "pro tuner" in fact they seem to be fairly highly regarded as well as a sponsor to a major LS1 forum here. The original tune was hopeless, it was...

joecar and The Alchemist, thank you both for your replies.

I have read what you have said and had a look at those threads.

I have played around with the tune following your recommendations and...

Thanks for your reply

Holden VZ 2005

Not sure what you mean by boost.

Thanks for pointing that out, the original tune was done by a "professional" tuner, but there have been so many issues...

I am trying to get rid of some surging / bucking that occurs at light throttle between 1000 and about 1800 rpm, if you apply more throttle or back off completely it goes away.

It happens when the...