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-   -   MSD ign module for HEI (http://www.usmuscle.com.au/Forum/showthread.php?t=27937)

Geoff 4 08-04-2019 08:09 PM

MSD ign module for HEI
 
MSD #83645 module. It switches 7.5 amps for a hotter spark v 5.5 amps for the stock module.
This module has a built in rev limiter, simply adjusted with a dial: 5000-10,000 rpm. According to the instruction sheet that goes with it, the module has a 'patent pending Traction Control System'.

It costs $117 at Summit, or $AU164. sell for $70. I have cut a couple of the wires, you may need to lengthen them. I had this mounted under the dash to keep it cool. It will also mount inside a HEI dist in place of the factory module.

bonnevista 11-04-2019 10:41 AM

Yeah, but I have a 455 Pontiac. 5000 rpm is waaaaay too high... ;)

Geoff 4 16-04-2019 07:43 PM

Bonne,
I had this on my GTO, 455, & had it set at 5500....

Frank351 16-04-2019 10:41 PM

But it switches to the higher amps right thru the rev range, right ?

bonnevista 17-04-2019 08:58 AM

Quote:

Originally Posted by Geoff 4 (Post 204121)
Bonne,
I had this on my GTO, 455, & had it set at 5500....

Life on the edge...

Geoff 4 17-04-2019 08:03 PM

No, not on the edge with good parts. And I have those: factory crank, H beam rods, Ross forged pistons.

My mate who drag races his LeMans has the same module, goes to 6200 rpm. Chinese crank, H beam rods, forged pistons.

7.5 amps throughout rpm range for this module.

bonnevista 19-04-2019 08:39 AM

Quote:

Originally Posted by Geoff 4 (Post 204126)
No, not on the edge with good parts. And I have those: factory crank, H beam rods, Ross forged pistons.

My mate who drag races his LeMans has the same module, goes to 6200 rpm. Chinese crank, H beam rods, forged pistons.

7.5 amps throughout rpm range for this module.

It was a joke, Geoff...


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