1KWIKSIX
Well-Known Member
- Joined
- Sep 29, 2007
I’ve got some JB Racing ported heads with stainless steel valves & oversized I takes with a port matched Champion CNC machined (stock intake)
Planning on bolting these on over the winter with engine in the car, leaving the stock cam in place.
Can anyone tell me what kind of performance gains or losses I can expect to experience . Currently running 94 pump gas @ 18-20lbs Boost.
Planning on bolting these on over the winter with engine in the car, leaving the stock cam in place.
Can anyone tell me what kind of performance gains or losses I can expect to experience . Currently running 94 pump gas @ 18-20lbs Boost.