definitely not living up to its promise .
what is rear suspension ? MPH ?
I run Crane Gold 1.5 rockers on my 270s , cant help you with headers I run Dougs

Tex

Last edited by tex013; 10/10/19 04:29 PM.
New best ET 10.259@129.65 .
New best MPH 130.32
Finally fitted a solid cam,
stepped it up a bit more
3690lbs through the mufflers
New World block 3780lbs 10.278@130.80 . Wowser 10.253@130.24 footbraking from 1500rpm
Power by Tex's Automotive