Thread: HEI issues?
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Old 09-13-2017, 02:06 PM   #27
GASoline71
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Re: HEI issues?

Quote:
Originally Posted by zachste View Post
Just for clarification's sake, we are talking about the ICM correct? Like this https://www.summitracing.com/parts/sum-850100/overview/

That's the one!


Quote:
Originally Posted by RichardJ View Post
If you don't understand any of that above, you should stop expounding the crap about having to have a FULL 12VOLTS for the HEI.
If you're going racing that's a different story. You should know that there are circletrack racers out there that run a racing HEI without an alternator. Starting a race with 12.5 battery voltage, they still have plenty of high rpm ignition, 40 laps later when the Bat may have dropped below 10 volts.

For the street, I can tell you I installed a coil-in-cap HEI in my truck more that 25 years ago. 10 years ago when I installed the AC, I switched it to an external coil HEI. The original Resistor Wire is still in place. I read 11 Volts at the distributor. The truck gets 15-16 mpg on the highway and it can run 70-75 mph for a couple hours at a time and never skip a beat.
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