Twisted Steel Performance
Anything worth doing is worth overdoing.
Finished up the work on my P400 heads now all that's left is to finish the coating on the combustion chambers...
This data is a direct apples to apples test, P400 before and P400 after, the heads have both bigger valves, valve unshrouding, coated runners, 2 angle valve job, ( stage 3 )
These heads made a visit to the flow bench 4 different times during the process and the flow was measured every .050" lift...
This data is a direct apples to apples test, P400 before and P400 after, the heads have both bigger valves, valve unshrouding, coated runners, 2 angle valve job, ( stage 3 )
These heads made a visit to the flow bench 4 different times during the process and the flow was measured every .050" lift...