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Posted to rec.crafts.metalworking
J. Clarke
 
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Default Question about car engine horsepower rating

Jon Elson wrote:



spaco wrote:

Back in the muschle car days, they would do everything they could to
come up with a max Hp rating to advertise. IIRC, one major mfr took
all the accessories off the engine (water pumps, generator, etc. and
even used a vacuum system to extract waste gases to get a MAX number
to put in the ads.


They ALL do this! Latest procedure is to run the camshaft with a big
induction
motor on a flux vector drive, so it is in sync with the crank, but not
drawing any
power from the crankshaft. This runs the oil pump off external power,
too, on
most engines.


Uh huh. The SAE standards were revised to eliminate such practices
something like 20 years ago.

--
--John
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(was jclarke at eye bee em dot net)