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Old 06-22-2022, 07:44 PM   #291
cart around
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Default Re: Installing HEI Ignition on 3PG Carts

Half volt is correct.
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Old 04-12-2023, 07:18 PM   #292
medman22
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Default Re: HelpI keep frying the ignitor in my HEI conversion

Quote:
Originally Posted by cart around View Post
Half volt is correct.
Why do I keep frying the ignitor in my ezgo ?
I did the HEI converstion correctly (so I think) but I'm replacing the ignitor about every 3 or 4 months.
It's getting expensive.
I'm using "new" 1977 Chevy Nova 4.1 L
Any suggestions ??
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Old 04-13-2023, 09:04 AM   #293
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Default Re: HelpI keep frying the ignitor in my HEI conversion

Quote:
Originally Posted by medman22 View Post
Why do I keep frying the ignitor in my ezgo ?
I did the HEI converstion correctly (so I think) but I'm replacing the ignitor about every 3 or 4 months.
It's getting expensive.
I'm using "new" 1977 Chevy Nova 4.1 L
Any suggestions ??
Most likely heat. Mount it on a heat sink with thermal paste and drill two dimples where it mounts to fit the bumps on the back side. You want it to sit flat against the heat sink.

You could also try a different module. Some are better than others. I have had the same Accell since 2013.
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Old 04-13-2023, 10:08 AM   #294
Lochlin
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Default Re: Installing HEI Ignition on 3PG Carts

Although I have never done an HEI conversion on an EZ Go I have done a bunch on old Columbias and Harleys. You may have too much current in your ignition circuit which will cause the "too much heat" thing as well. You can try installing a ballast resistor or two between the HEI module and the ignitor / coil to take some of that current out. I normally use 1.5 ohm resistors but have gone as high as 2.5 ohm.
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Old 05-30-2023, 08:30 AM   #295
allenchrisman76
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Default Re: Installing HEI Ignition on 3PG Carts

I did this swap on my cart and it goes fine but now it backfires... does anyone have any suggestions? thank you!
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Old 06-01-2023, 01:54 PM   #296
Lochlin
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Default Re: Installing HEI Ignition on 3PG Carts

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Originally Posted by allenchrisman76 View Post
I did this swap on my cart and it goes fine but now it backfires... does anyone have any suggestions? thank you!
That's odd. I have done quite a few HEI conversions now on a multitude of machines and have found that the conversion virtually eliminated backfires on just about all of them.

Make sure that your throttle lever closing all the way when the accelerator pedal is at rest as to prevent fuel from flowing without ignition. If you have a way to adjust when spark starts / stops you may want to try adjusting to start spark earlier as well. Without knowing your specific cart, there's normally a microswitch somewhere that will activate with the accelerator pedal. Those can usually be adjusted.
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Old 06-13-2023, 09:38 PM   #297
JJButler
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Default Re: Installing HEI Ignition on 3PG Carts

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Originally Posted by tdufresne View Post
Resorted to this MOD when my cart would no longer start - could not find the exact parts so I talked to the AutoZone tech and substituted a DuraLast DR100 Controller for the igniter and a DuraLast C839 - 94 Ford Mustang Coil. We had to swap the polatiry on the coil to get it to start, but it runs great now! Thank you for all the helpful sharing!
What do mean mean by swapping the polarity on the coil , switching positive and ground?
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