Re: Tach wire shutting down my engine
Yes, that's what a I was referring to and just comparing it to leaving points system turned on. Kill switch should only be an issue on a points system with key left on since it would power the coil to ground. No issue with the points themselves unless they were also closed and still probably not an issue as the kill switch would be parallel with the points and most likely be best path to ground.
With an HEI you'd still have the issue of coil heating up after awhile if using a simple kill switch because you'd still be powering the coil with a ground connected to the negative terminal which is not the same state as when just the key is turned on.
Bottom line is that it's not good for any dc coil to be left with power on the positive and straight ground on the negative for a long time. I reckon you could add an rc circuit or just a resistor to it to protect the coil like the condensor but for a simple kill switch there's no reason to since who leaves their key on and then just walks away from the car? OK, me when I used to listen to the radio in my dad's truck but that's about it.
Dart 400-AFR 195-224/224 HR-Powerjection III TB with F.A.S.T. Sportsman XFI
TKO 600-Moser 3.42-Detroit Truetrac
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'69 Camaro Beater-SFT 327-M20-Moser 4.10-sold
'02 Z/28 vert-stock-sold and totaled