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Old 01-07-2010, 01:35 PM
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HEI conversion on 66 vette

Hi can any one help me with the steps need to convert a 66 vette over to an HEI distributer? I have been reading some web pages and from what I can figure out, all I need to do is replace the pink ignition wire with 12g wire and run it straight to the bat connection on the HEI distributer. Does that sound right to you guys?

thanks

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Old 01-07-2010, 02:05 PM
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Sounds about right.
But you´ve probably read that already.
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Old 01-07-2010, 02:17 PM
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thx, ya idid read that link. Some guys talk abouth replacing the wire from the fuse box but on a vette i think its the wire to the ignition switch that needs to be changed does that sound right? also there are 2 pink wires coming out of the ignition switch, do both need to be upgraded to 12g wire or just the one running to the distributer?
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Old 01-07-2010, 02:17 PM
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If you want to keep the original look i have used this a number of time with no problems. People also use it in race cars and modified engines.http://www.cbsperformance.com/ignitor.shtml . JMO

Cole
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Old 01-07-2010, 03:35 PM
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Don't forget about the tach drive . In 74 corvette went to elect tachs .
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Old 01-07-2010, 03:45 PM
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Quote:
Originally Posted by justold
Don't forget about the tach drive . In 74 corvette went to elect tachs .
My 74 had a tach drive in it.

Cole
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Old 01-07-2010, 04:06 PM
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I stand corrected . I thought it was 74 when they went electronic .
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Old 01-07-2010, 04:39 PM
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The Pertronix or other electronic conversion would let you keep the tach drive, a big plus if it's a resto,
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Old 01-07-2010, 04:48 PM
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Quote:
Originally Posted by Rickracer
The Pertronix or other electronic conversion would let you keep the tach drive, a big plus if it's a resto,
Thats what i used in my 74 the petronix ignition and replaced my points and could still use stock looking cap and wires looked original when i was done . Bought a set of good wires for the electronic ignition that worked on the orignal style cap. Nobody will ever know it's electronic unless you tell them looks completely stock. http://www.cbsperformance.com/ignitor.shtml .

Cole
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Old 01-08-2010, 12:58 AM
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Quote:
Originally Posted by rhinz1966
thx, ya idid read that link. Some guys talk abouth replacing the wire from the fuse box but on a vette i think its the wire to the ignition switch that needs to be changed does that sound right? also there are 2 pink wires coming out of the ignition switch, do both need to be upgraded to 12g wire or just the one running to the distributer?

Another way to make sure that you get enough amps to the HEI set up is to leave the stock wiring; and take the pink from the old coil and send it to the coil side of a single pole relay and take the contacts one from battery and one to the new HEI. That eliminates the chance of an under amperage. If you still want to change the wiring it needs to be changed throughout the circuit all the way back to the battery, just the one pink wire to coil needs changed the other can stay the same size! Pull the connector off the back of the switch and check to see if the contact for the coil wire is gold or brass colored terminal if it's silver colored then it might not hold up over time!
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Old 01-08-2010, 12:31 PM
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Wow, thanks for all the help, the solid-state electronic ignition system looks like a great idea, whats involved in installing this system??

thanks
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Old 01-08-2010, 03:52 PM
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Nothing to it, it bolts in using the original points mounting holes in the distributor. You set the air gap between the new electronic pick-up and the center cam that ran the points with the supplied shim and tighten the screws. Throw the points and condenser away, you're done! Feed the two wires out through the original wires hole and connect to coil and ignition feed. Simple and very reliable.
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Old 01-10-2010, 11:14 AM
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The Pertronix is the easiest. >> http://www.chevyhiperformance.com/te...stributor.html
More HEI Info >> http://rmcavoy.freeshell.org/HEI.html
A few good Vette tidbits & other Info >> http://www.corvette-restoration.com/...hnical_papers/
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Old 01-10-2010, 11:51 AM
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Quote:
Originally Posted by ericnova72
Nothing to it, it bolts in using the original points mounting holes in the distributor. You set the air gap between the new electronic pick-up and the center cam that ran the points with the supplied shim and tighten the screws. Throw the points and condenser away, you're done! Feed the two wires out through the original wires hole and connect to coil and ignition feed. Simple and very reliable.
This is exactly how it is done and you don't even have to remove the distributer if you don't want to. .I have done it both ways.

Cole
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