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Coil getting hot

J

JARRETT LYNCH

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Hi everyone, I’m new here. Just bought a 69 super bee with 383 mild cam , stock 906 heads. The previous owner said he put a new electronic distributor and ignition box on. I notice when the car is running for several minutes the coil gets really hot to the point you can’t touch it. I tested the coil and it tested ok. I made sure the ignition module was grounded. With the engine running the positive side of the coil is 11.8 volts. That seems high? Maybe need different ballast resistor? It looks new.
The coil is Accell super stock. Here’s some pics. What do you think?
IMG_2663.jpeg
IMG_2666.jpeg
IMG_2664.jpeg
 
You will need to find out what bal res is supposed to be paired with THAT coil...& get one.
 
Could usually run hot, but it depends on just how hot it’s getting before it shuts down.
 
Its possible that the voltage regulator is running high so the entire system has higher voltage.
Check the battery terminals while running.
What do you get?
Note mine usually charge for a bit after starting and then back down after about 5 minutes or so.
 
Geoff 2 said:
You will need to find out what bal res is supposed to be paired with THAT coil...& get one.
Click to expand...
Where do I got to find that? Thanks
Don Frelier said:
It’s possible that the voltage regulator is running high so the entire system has higher voltage.
Check the battery terminals while running.
What do you get?
Note mine usually charge for a bit after starting and then back down after about 5 minutes or so.
Click to expand...
At start up it’s 12.9-13.0 then as you rev engine up it goes up to 13.3-13.5
 
JARRETT LYNCH said:
Where do I got to find that? Thanks

At start up it’s 12.9-13.0 then as you rev engine up it goes up to 13.3-13.5
Click to expand...
Those numbers look good. :thumbsup:

I would look for a ballast resistor with some more impedence (resistance).
They are inexpensive so when you find one that works better get 2 and have a spare.
 
The number on the coil looks to be 81400 or 8140C. Punch 'Accel XXXXX' into Google & you will find the info on bal res & if needed..
 
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