Originally Posted by automotive breath
Your critics will tell you that the porting and milling alone are responsible for the
improvements in performance. Many people feel that because you are
fooling with something they feel is controversial and unproven you should
have done a before and after test with the grooves only.
Yep, one step at a time, something like this:
Yep, the other nice thing about using a briggs lawnmower engine is that I found that I can get the "good" headgaskets for $3.60 at the local Ace hardware... Cheaper than a $100 set of cometecs...