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Re: Timing Vs Over Heating--Longish!

To: "David Riker" <davidr@sunset.net>, "Paul A. Asgeirsson" <PAsgeirsson@compuserve.com>, "Larry Macy" <macy@bblmail.psycha.upenn.edu>
Subject: Re: Timing Vs Over Heating--Longish!
Date: Wed, 26 Jul 2000 00:07:05 -0700
Cc: "spridgets" <spridgets@autox.team.net>
References: <200007252010_MC2-AD7F-4FB3@compuserve.com>
It only stays at 2 degress at idle. As soon as you increase the engine RPM,
the timing goes to about 10 degrees BTDC, so that shouldn't be the cause of
overheating in this case.

-g

At 8:45 PM -0700 7/25/00, David Riker wrote:
>When California was trying to reduce NOx emissions back in the 70's, the
>approved kit contained a vacuum cap to disable the distributor vacuum
>advance, idle timing of about 6 degrees ATDC, and a warning decal for the
>speedometer that read something like "Prolonged speeds above 50 MPH may
>result in engine overheating and severe engine damage".  Also, the factory
>setting for a 78/79 1500 Midget engine is 2 degrees ATDC, and a common
>complaint is engine overheating.  In these two examples, is the additional
>heat a result of more complete combustion although occurring at a time in
>the cycle when the heat is wasted?  Or is it the unburned fuel burning in
>the exhaust system?  Not that it matters, just curious of course.
>David Riker
>74 Midget
>63 Falcon
>70 Torino
>http://personalweb.sunset.net/~davidr


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