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MSD 6al box... keyed ignition?

1K views 1 reply 2 participants last post by  ericnova72 
#1 ·
Hi

I'm switching out from HEI to a 6al box and have everything under control, except the "keyed ignition" that MSD speaks of, on my HEI there are 2 wires, one is either keyed or constant power and the other is for the tach.

What im asking is, can i use the factory wire that goes to the hei for my "Keyed power" to my MSD box ? or should i pick up that wire from somewhere else.

In short, is the factory power wire to the HEI a constant power or keyed power?

car is a 78 camaro 350.

Thanks
Dean.
 
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