100% sure? That is good news! No issues with abs or speed sensors acting funny?

 

You are fine dynoing in 2wd.
I have a efficient head and I was running 18* for awhile and went up to 24* and it's a completely different monster.
Best way to check is on a dyno.
I dynoed it with 18* but haven't been back since I added more

 

back to the top,

I played with it some. Seems like pulling timing from 27 degrees down to 21 made the 4000-6000 pull harder. Strange... i have a test and tune thursday, i will hopefully get some solid numbers to see if it gains or loses.


Anybody have other thoughts?