I missed the thread, but a recent data point is my
buddy Jeff Porasik's .030 over 1275 that is probably
comparable to an FP engine -
1275 .030 over
13:1 compression ratio
LCB header
1.5" SUs with prepped manifold
Head ported by West Allis machine
1.5 ratio roller rockers
Rimflo valves
He got 89 HP at the wheels, probably 105-110 at the
flywheel. Dyno he was on is known to be conservative,
his car is as fast in a Grattan straight drag race as
the alleged 130HP Sprites (a lot faster than mine.
Thank God for turns).
--- "Robert E. Shlafer" <pilotrob@webtv.net> wrote:
> Insufficent info for hp, Willy though I bet
> the guys that race Spridgets can provide a pretty
> good ballpark figure for classes
> FP-GP.
Ron Soave
"The older I get, the better I was."
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