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Re: Re: Real hot plugs
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Posted by buickanddeere on February 05, 2004 at 10:49:33 from (192.75.48.2):
In Reply to: Re: Real hot plugs posted by Bob on February 05, 2004 at 06:02:38:
A-men Rob.
The engines were made to run at full rpm and 80% of rated load at operating temps.
No wonder a worn parade engine running without shutters or a thermostat with the idle screws cranked way out just to keep the cool engine running smooth.
Not only is the over rich mixture fouling the plugs. It's washing the lube oil off the cylinder walls, increasing the wear and making the oil comsumption even worse.
Get the temps up to 195F and lean the carb out on the idle and mains. Tuning for the "smoothest" operation is way too rich. The mixture should be set as lean as possible without missfire.
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