Quote:
Originally Posted by R. Thorne
Where are the flow figures for .100 lift? Are these the heads off the car that have a "normal" 3 angle valve job or untouched as produced at the factory? As my post a few years ago mentioned I improved my low lift flow substantially at the expense of a small amount of loss at .400 lift. This helped my car measurably. Since that time i have done more experimenting with valve jobs, back cuts, etc. with surprising results. The oem valve seat is 45 degrees, right? I would try a 37 degree and lots of experimenting with "different" types of valves. Oh yeah, make sure the heads are cut close to minimum cc's before anything is done (saves surprises later). Ron.
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Great information, thanks, I will look for your thread.