hptuners timing problem. dyno sheet posted
That won't work. It's a jpg. HPT won't recognize it.
Take the locknut out of the distributor hold-down and you can turn the cap a few degrees without the ECM knowing about it.
Take the locknut out of the distributor hold-down and you can turn the cap a few degrees without the ECM knowing about it.
Last edited by Matt M; Apr 8, 2009 at 11:18 PM. Reason: Automerged Doublepost
Thats how you guys got 480whp out of a stock head? mines ported. I made power by doing the opposite of what you guys do.



