[Diy_efi] crankcase vacuum control

Robert W Hughes rwhughe at oplink.net
Sun Apr 27 16:20:12 GMT 2003


A recent, maybe the latest Hot Rod magazine did this on one of their
builtup engines. Don't have my copy right now but they did measure the
power difference and document it on back to back runs.

> In any case, I have yet to see it make any difference
> on the dyno with newer high-performance motorcycles,
> and I fond the "40-50 horsepower" claim a bit hard to
> swallow without back-to-back dyno runs with no other
> differences on an eddy current dyno.

-- 
Robert W. Hughes (Bob)
BackYard Engineering
29:40.237N, 95:28.726W or perhaps 30:55.265N, 95:20.590W
Houston, Texas "The city with too much Oxygen"
rwhughe at oplink.net

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