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Mallory Experts? Help!!

To: "'MG Mail list'" <mgs@autox.team.net>
Subject: Mallory Experts? Help!!
From: "Neil Cotty" <neilc@apphosting.com>
Date: Mon, 19 Feb 2001 14:28:06 -0000
Hi all,

I've had a dual point Mallory installed in my V8 along with a Weber 500. I
appear to have some serious timing problems. The car was running extremely
well, but something has gone amiss.

I read that you set the dwell of the points individually to 28deg then the
total dwell will be around 32deg. I have set this as it was at 43 when the
misfire started appearing, but I am still experiencing savage misfire under
load with reasonable, and large throttle openings. I have her at 8 deg at
800rpm. Vacumn connected, the problem is much worse. I think the Mallory is
advancing way too much but can't be sure. The sound is like
'rrrrr-rrrrrrrr-rrrrrrrr' when the misfire appears, almost like a rev
limiter or a bad coil. My existing Sport coil was wired up with a Ballast
resistor to support the Mallory unit. I've seen you can adjust the max
advance of the Mallory. Any recommendations on how to do this, how to check
it and what to set it at? It looks like the base plate has to come off at
the very least.

Stuck here at work, driving home looking very unlikely! :( Any help
appreciated! :)

Cheers,
Neil

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