Pertronix Install = Engine Tick
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Tuned
Joined: Aug 2008
Posts: 413
Likes: 2
Pertronix Install = Engine Tick
After installing the Ignitor with Flame Thrower Coil, we now have a slight tick coming from around #1 cylinder. Timing set at 10 degrees, Ignitor set to specs.
Ideas?
('65 300 I6)
Ideas?
('65 300 I6)
Posting Guru
Joined: Mar 2006
Posts: 1,182
Likes: 1
i'm waaay out on a limb here, but...i'm assuming the Flamethrower coil is hotter than what you had before. if nothing else changed...
any chance this is an electrical arc down near the bottom of the spark plug wire? how's it running? any hint of a miss?
any chance this is an electrical arc down near the bottom of the spark plug wire? how's it running? any hint of a miss?
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Tuned
Joined: Aug 2008
Posts: 413
Likes: 2
Correction...
OK, found the tick was not related to the Pertronix. However, since installing the Pertronix and coil, the truck upon coming to a stop, bucks and diesels then stalls. Happens every time coming to a stop. Also tried dropping it into neutral before the stop and the same thing happens. This problem did not occur with the points setup. It runs smooth and accelerates perfectly, just dies at every red light. Idle speed is at 750-800.
I think I may pull the Pertronix this weekend and reinstall the points to see if anything changes.
Ideas???
I think I may pull the Pertronix this weekend and reinstall the points to see if anything changes.
Ideas???
Cranky Old Guy
Joined: Mar 2008
Posts: 3,562
Likes: 6
From: Raphine, Virginia
I'd back the timing off to about 12 and see what happens. "Dieseling" or run on, is usually caused by unburnt fuel in cyl igniting.
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Post Fiend
Joined: Nov 2000
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From: Glendale Arizona
6 degrees with a manual trans.
10 with an automatic.
You have way to much initial.
It should be 14 full in on the centrifugal advance at 2000 RPM.
Garbz
10 with an automatic.
You have way to much initial.
It should be 14 full in on the centrifugal advance at 2000 RPM.
Garbz
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Tuned
Joined: Aug 2008
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Yes, checked for leaks and didn't find any. Currently the idle is at 750-800 and timing at 14.
I will set timing for 10 as stated earlier, and drop idle a little. However, we had it at those levels and the same condition existed.
I will set timing for 10 as stated earlier, and drop idle a little. However, we had it at those levels and the same condition existed.
Posting Guru
Joined: Mar 2006
Posts: 1,182
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i'm no expert, but this doesn't sound like an ignition problem to me.
as a test, try bumping your idle speed up a couple hundred rpm, and going for a spin. make sure the test drive is long enough to get the engine fully warmed up.
i think you accidentally threw some of the gang off here by saying "dieseling". you're not having trouble shutting it down, you're having trouble keeping it running- correct?
as a test, try bumping your idle speed up a couple hundred rpm, and going for a spin. make sure the test drive is long enough to get the engine fully warmed up.
i think you accidentally threw some of the gang off here by saying "dieseling". you're not having trouble shutting it down, you're having trouble keeping it running- correct?
Post Fiend
Joined: Nov 2000
Posts: 6,060
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From: Glendale Arizona
If your truck is a factory automatic it will have a antistall dashpot on the carb. Mis adjustment of this or a bad diaphram will cause the stall on stopping as the carb throttle plate close to much.
Just what do you have as a transmission?
Garbz
Just what do you have as a transmission?
Garbz
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Tuned
Joined: Aug 2008
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Carburator is the original Holley, rebuilt by Holley. Three speed auto.
The "dieseling", or bump and knock upon stopping, (then stalling), all occurred after installing the Pertronix.
I will post an update after the points are back in.
The "dieseling", or bump and knock upon stopping, (then stalling), all occurred after installing the Pertronix.
I will post an update after the points are back in.