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I'm sure that you know that dual point distributors
are designed to overlap the dwell period to achieve a longer dwell without
setting the points too closely ( decrease the gap, increase the dwell). If
the dual points are set too closely, the primary (closing) set may allow some
arcing while the secondary (opening) set closes. I have always had better luck
by setting the dwell about 25-28° for each set individually, for a combined
dwell of 35-40°. The points seem to last a little longer and deliver
plenty of dwell time.
I suppose that maybe the condensor is maybe too
small, and allowing too much crossover spark.
Good Luck.
Mike Higgins
1955 Belvedere Sport Coupe
----- Original Message -----
Sent: Wednesday, September 14, 2011 10:57
AM
Subject: [FWDLK] ignition points on old
hemi engines
Hello Web-
I have two mid-fifties Mopars with hemi engines, a 56 and a 55. If
allowed to rest for several weeks or months the points will not fire, and have
to be carefully filed to obtain spark. The points (dual) are almost new,
having replaced them several times. The cars go nowhere, just rest in
the carport. I have replaced them several times-
My later Chrysler products with single points had no problems-am I
getting a bad batch of points from NAPA or the on line sellers (Chinese
maybe??) My last attempt to file them resulted in the contact completely
breaking free from the arm-
Is anyone else having a similar problem? Any solutions??? I'm getting too
old and inflexible to crawl way back there under the hood each time it
happens-
Your help appreciated
!!!!
(Yeeow! got zapped
again!)
Ted
Blackington
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