| To: | deboer@duke.usask.ca, mgs@autox.team.net |
|---|---|
| Subject: | Re: Vacuum advance |
| From: | KEN@hcacad.holycross.edu |
| Date: | Thu, 11 Jan 1996 13:54:28 -0400 (EDT) |
Dirk--
Vacuum is higher when the foot is removed from the accelerator pedal.
Vacuum is produced by the engine pistons drawing air/fuel mixture into the
cylinder. When the throttle is closed a partial vacuum is produced. When
the throttle is open more air can get in, hence, less vacuum. The phenomenon
of windshield wipers slowing down when overtaking was not from engine speed
but from the throttle being open. Just my $0.02.
Ken Scott
77 MGB
|
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