Do these things work or is it just a gimmick? I have looked at other websites and there is about a 50/50% opinion (pros and cons) concerning this air foil. They go for $26.00 plus shipping on EBay......det45
That $26 will buy you about two Manley 11566 stainless 2.02 valves. Put a little more with it and get a whole set, and then you can get a noticeable performance gain. They fit quite nicely in the stock iron heads.
Of course, it helps that the rest of the valve train is updated, that the heads are cleaned up to over 195cc on the intake runners, ports raised, and intake runners matched. Valves alone won't do a lot of good, but who would stop there?
The real beauty is that the stock rotating assembly will take it.
Trust me I am well aware of what a stock shortblock can do mine is one of the fastest stock shortblock b-bodies out there, again with valves smaller than 2.02.....
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