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Unread 04-21-2005, 12:15 AM   #1
Frapguy
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Location: Abilene TX
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304 AMC Distributor

what is the best recomendation for a HEI replacement.

I am hoping for a single wire version so I can get rid of all the factory electricle junk.

Thanks Brian

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Unread 04-21-2005, 08:40 AM   #2
jode
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ProForm makes a nice HEI dizzy for AMC V8s that runs about $214 at Summit
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Unread 04-21-2005, 01:32 PM   #3
CJ5_Fan
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I have a junkyard/pick-n-pull GM HEI and it works fine. Had to have the gear changed but that was all.
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Unread 04-21-2005, 02:23 PM   #4
jode
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Really? Cuz I was under the impression that the HEI shaft had to be machined down (as well as replacing the gear) in order to get them to fit in AMC V8s. What year/model did it come out of?
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Unread 04-22-2005, 09:30 AM   #5
CJ5_Fan
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Can't tell you what car it came out of since it was a counter item at the yard. As far as I know, no other mods were done to it but the gear change. I sits a little looser in the hole then the original did, but it locks down fine and works great.

Is there a modle or ID number on the dizzy that would tell you what you need? I will be happy to look and report back...
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Unread 04-22-2005, 10:07 AM   #6
jode
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hmmmm - no - I wouldn't be able to tell anything from the numbers (maybe someone else could?)

Strange....lucky find....
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Unread 04-23-2005, 08:56 AM   #7
jeepmor
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HEI notes

I have a 258 w/ an HEI, so my points may not be entirely relevant, but there were two issues that had to be addressed that I think are worth sharing.

1. Had to swap out to a amc v-8 dizzy drive gear (reverse cut when compared to stock chevy drive gear)

2. I had to file the end of the shaft a wee bit because of the way it seated in the oil pump. This involved filing the fillets back about 1/16", not the length of the shaft. In other words, you make the flat screwdriver end a little longer by filing shaft itself, not the end. The fillets were hitting on my oil pump when engaged and not allowing the distributor clamp portion to touch down on the block. Cost me a distributor before I got this figured out because I overclamped it and broke the seating portion off my dizzy casting.....d'oh. Plus I could not hold timing because the clamp portion would not seat. I tried all sorts of stuff before I figured that one out.

Hope this helps.

jeepmor
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Unread 04-25-2005, 08:58 AM   #8
Frapguy
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Thanks

I guess that I will get a couple from the junk yard and go to town on it

thanks for the info.
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