Quote:
|
Originally Posted by UncleRobin
On a stock 1990 adding a ported top-end, a good tune and cam timing, headers and after-market exhaust, should net in the area of 100+ HP.
I feel like I am armchair racing now. 
UR |
UR,
Just to clarify, if you've already done the exhaust and top end, you're saying the heads are worth an
additional 50hp? Is that a porting job or does it include bigger valves, chamber work etc.? What's your take on the cam phasing?