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Re: 3 speed overdrive!!, now about getting it in.......
That idea had occurred to me but I was thinking that cutting all power to the HEI might be a little brutal. Would it recover as quickly as the old school coil-n-points setup? It's worth a try I suppose...I have the relays. The kick-down circuit as designed is a pretty elegant setup I want to keep it if possible.
...ned.
Quote:
Originally Posted by ray_mcavoy
You're right, grounding the negative side of the coil (as is done with the stock interrupt) can damage the HEI module.
However, you could use a relay to interrupt power to the HEI. Run the HEI power feed through the relay's N.C. (normally closed) set of contacts. Hook one side of the relay's coil to power and the other side to the OD interrupt wire.
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'63 C10 long wide; '61 Corvair Lakewood; '74 BMW 2002tii; '89 BMW 325i, '49 Ford 8N
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