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Canadian Poncho Homepage -> Canadian Poncho -> 58-64 Full Size Power Train Tech Forum -> HEI Re-Curve
Post Info TOPIC: HEI Re-Curve
SGS Welding


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HEI Re-Curve
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Hi fellows 

I bought a pertronix  rebuild kit for my used Distributor 

After doing some research there are a few parts I should start with 

that dont come in the kit.

A centre cam stamped 375

fly weights stamped 49

and a vacume can stamped 10

if anyone has some or all of these parts Im interested in purchasing 

these parts or the whole distributor??

Thanks ! Greg

 



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seventy2plus2


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You have an HEI distributor? Or you have a breaker point distributor that you are converting to Pertronix?

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SGS Welding


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Good call Clint!

I do have the original points distributor but its on a shelf.

I have converted to HEI 

The HEI in my car now is from an unknown source and works great!

But as this hobby goes we are forever tinkering...

I have a second HEI and a Petronixs upgrade kit and before I put it together 

I have done some research and to kinda tailor the ignition curve 

to my needs ( I think as Im no expert) I need to start with the parts listed.



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seventy2plus2


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I didn't know they made Pertronix kits for HEI's. I thought Pertronix kits were to convert breaker point distributors to electronic.

What exactly is the Pertronix kit for an HEI supposed to do?

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SGS Welding


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This is the kit:



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SGS Welding


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Does anyone know where I could get 

GM part number 01894379

its the shaft and centrifugal weights

for a ZZ4 hei in a crate engine

also think corvettes used it??

Carl?

Also I notice I posted this in the wrong 

years..

Carl could you put this thread into the 

65 to 70 section ?

thanks



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SGS Welding


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Does anyone happen to know

the part number of the vacuum can on 

a ZZ4 hei distributor?

napa sells echlin versions of them

I would like to get the same one.

thanks Greg



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66 Beau


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Greg

Found this. The post by IgnitionMan seems relevant. He calls it up as 69120 vacuum advance, but he has some pretty strong caveats.

I've also seen numerous references to the melonized gear on the ZZ4 HEI, apparently required for the roller rocker cam?  



https://www.chevytalk.org/fusionbb/showtopic.php?tid/362699/

 

 



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cranks38


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PROFORM provided ignitions (and other parts) for GMPP, now Chevrolet Performance Parts. So, If you bought a crate engine from GMPP or CPP, your ignition was made by PROFORM, the officially licensed product.

Here are the parts they offer for your recurve...

https://www.summitracing.com/parts/pro-66952c#applications


https://www.summitracing.com/parts/pro-66948c

 

.



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SGS Welding


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Well I have an update

I found a 375 centre plate

ordered a VC1852 vacuum can from NAPA (10 degrees at crank)

 

still need 49 fly  weights

or they might be 049

not to sure

Thanks



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SGS Welding


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41 weights

49 is WRONG 

41

I swear I was not drinking!

sorry for the confusion!



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