Spark plug gap on a 1965' 200Ci? - Vintage Mustang Forums

 
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post #1 of 10 (permalink) Old 04-26-2003, 03:28 PM
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post #2 of 10 (permalink) Old 04-26-2003, 03:45 PM
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For a 200-6, the '65 shop manual calls for a gap of .032 - .036 inches.

Ed
65 2+2
5.0L w/EFI & T5z
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post #3 of 10 (permalink) Old 04-26-2003, 05:18 PM
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Sounds like you're back to wrenching on the car. Did you round up a spark plug setting tool?

Ken

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1965 Fastback, Sunlit Gold, I6, T-5, Pertronix, CAA AC, SSBC frt discs
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post #4 of 10 (permalink) Old 04-26-2003, 06:01 PM
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Got the spark plug tools...PO had them at oh about .045, lol.
post #5 of 10 (permalink) Old 04-26-2003, 08:05 PM
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With a pertronix, .045 is right. With points, .032
post #6 of 10 (permalink) Old 04-26-2003, 08:31 PM
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Glen: the larger gap is used only with the Petronix coil or other aftermarket high output coil. The Petronix ignition put onto the dizzy instead of the points doesn't require a change of plug gap.

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post #7 of 10 (permalink) Old 06-01-2016, 09:30 PM
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[QUOTE=Midlife;2478023]Glen: the larger gap is used only with the Petronix coil or other aftermarket high output coil. The Petronix ignition put onto the dizzy instead of the points doesn't require a change of plug gap.[/QUOTE

I have a petronix ignition..gap on plugs is set at 0.34 on an 66 inline 6...car putters and dies at about 30 minutes of driving time..any ideas??
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post #8 of 10 (permalink) Old 06-01-2016, 10:13 PM
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[quote=frankrendon;8101233]
Quote:
Originally Posted by Midlife View Post
Glen: the larger gap is used only with the Petronix coil or other aftermarket high output coil. The Petronix ignition put onto the dizzy instead of the points doesn't require a change of plug gap.[/QUOTE

I have a petronix ignition..gap on plugs is set at 0.34 on an 66 inline 6...car putters and dies at about 30 minutes of driving time..any ideas??
That's a tough one to call without more specifics about what other mods you have done.... I CAN tell you for sure that it isn't spark plug gap. What do you have for a gas cap?
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post #9 of 10 (permalink) Old 06-01-2016, 10:40 PM
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[QUOTE=bartl;8101473]
Quote:
Originally Posted by frankrendon View Post
Quote:
Originally Posted by Midlife View Post
Glen: the larger gap is used only with the Petronix coil or other aftermarket high output coil. The Petronix ignition put onto the dizzy instead of the points doesn't require a change of plug gap.[/QUOTE

I have a petronix ignition..gap on plugs is set at 0.34 on an 66 inline 6...car putters and dies at about 30 minutes of driving time..any ideas??
That's a tough one to call without more specifics about what other mods you have done.... I CAN tell you for sure that it isn't spark plug gap. What do you have for a gas cap?

Thats the only mod i have done. Gas cap is original.
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post #10 of 10 (permalink) Old 06-02-2016, 07:43 AM
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Well, the first thing to do is determine whether it's a fuel or an ignition issue. I typically use a timing light, connected to the coil wire, run under the back of the hood and taped to the passenger-side windshield wiper, with the trigger taped down, and drive until the problem occurs. If the flashes remain steady and the car dies, it's a fuel problem. If the flashes become erratic and the car dies, it's an ignition problem. My first suspect would be your Petronix Ignitor. You could grab a cheap set of points and condenser and throw them in to test. Inevitably, they'd be a good "backup" to keep in the "toolkit".
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