[blk70ss]

i just converted over my 396 from points ignition to HEI. the car ran great for one day, then it died in my driveway (luckly for me)as it turned out the moduel went.i have a factory tach which i connected to the terminal next to the power terminal on the coil. (coil on cap type HEI) Some people told me that the tach could have shorted out the moduel. Is this possible and does any body know if the factory tach will work with HEI

 

[Steve S]

Worked fine on my 70.

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Steve Strasemeier (70SS 396, Fathom Blue/White Stripes)
My 70SS

 

[Georgia69]

My 69 has a factory tach...worked fine with stock HEI, works fine with HEI and MSD 6AL.

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Mike Newby

69 Chevelle 355/TH200-4R
97 Grand Prix GTP
64 Chevy C10 Pickup
79 Suzuki GS550