So ... to answer those questions asked, I recently just completed a
compression check and a leak-down test. all checked out good and numbers are
comparable to the last check in 2009. Like I mentioned, the plugs are new but
I will check and test the plug wires. And, for those that queried I test for
spark/misfire by removing the plug wire at the cap one at a time.
Engine is 1500 plus .030" over and milled .100". Carb is a single 45dcoe13
Weber.
Thanks for the questions,
Bob T.
'64 Spitfire GT
-----Original Message-----
From: robertten1@aol.com
To: fot@autox.team.net; net@lists.mv.net
Sent: Thu, Dec 9, 2010 7:29 pm
Subject: [Fot] Ignition Problem
Hello All,
I have a question concerning my ignition - it's a Mallory Dual Point
distributor with mechanical advance and a Crane FireBall Hi-Output Coil PS92
(?). All are in good condition and set according to my engine tune with
fresh
plugs. When testing for a misfire, pulling one plug wire at a time, I found
the following condition : if I pull the plug wire for number 1 or number 4
cylinders there is a very noticeable change in the engine's idle. If I pull
the plug wire for number 2 or number 3 cylinder there is little to no change
in the engine's idle. There is a spark there but not as big the spark at
number 1 and 4.
Serious diagnosis will be most appreciated, or at least a direction of where
to start looking.
Spitfire looking for power,
Bob T.
'64 Spit GT autocrosser
=
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