--- "Robert E. Shlafer" <PilotRob@webtv.net> wrote:
> don't bother opting for the slightly
> larger exhaust valve over stock, as trials
> conducted in the Cooper S showed absolutely no more
> power was made going
> to a slightly larger exhaust valve
> wherein the 1.4+ intake valve was used.
Also, the larger exhaust valve can result in cracking
between the intake and exhaust seats. I have a stack
of 12A185 heads for the race car that supposedly
suffer from this problem.
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