Author Topic: 400 SBC Motor with HEI failure  (Read 174 times)

RoarsRods

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  • 34 Chevrolet Holden Roadster, 33 Ford, 34 Ford
400 SBC Motor with HEI failure
« on: December 30, 2020, 06:18:19 PM »
My 1933 Ford 3 window coupe winter start up with a 400 SBC Motor!

Just a question with these HEI Modules!
I have been having a lot of failed modules! Been using both MSD modules and Acell modules and both brands have been failing!
My thoughts are possibly I just might need a in-line HEI Battery feed resistor!
Any thoughts on what’s causing this failure or what is the best way to resolve this problem?
Thanks in advance!

Here’s a YouTube video link:

https://www.youtube.com/watch?v=-NJKEDmJcDI
Retired Automation Robotics CAD Engineer

EDNY

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Re: 400 SBC Motor with HEI failure
« Reply #1 on: December 30, 2020, 07:29:20 PM »
This is a very informative discussion and should help:

http://www.superchevy.com/how-to/1306-upgrading-a-points-distributor-to-an-hei-system


BTW: I'm sure you are using the white heat sink (thermo-grease) compound (and not dielectric grease).
« Last Edit: December 30, 2020, 07:45:08 PM by EDNY »
33 Chevy 5 Window, 34 Chevy 3 Window, 37 Chevy 4dr sedan

RoarsRods

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  • Age: 65
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  • 34 Chevrolet Holden Roadster, 33 Ford, 34 Ford
Re: 400 SBC Motor with HEI failure
« Reply #2 on: December 31, 2020, 08:49:48 PM »
Thanks Ed very interested article! Thanks and yes I always use the white heat lube! I had posted this HEI Control Module question on several Ford and Chevrolet Facebook hot rod sites! I believe it is my alternator regulator is bad with surges over 15.5 V causing my control module to fail! So now am having it rebuilt! Here’s my new control module and my Facebook comment!
RoarsRods
Retired Automation Robotics CAD Engineer

 


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