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Forum: Pontiac - Street 11-06-2024, 01:00 AM
Replies: 14
Views: 628
Posted By MartyVi
I’m always willing to learn. So just curious what...

I’m always willing to learn. So just curious what was the reason for the change. It’s often said that engineers do things for a reason. I’m just looking for the reason.
Forum: Pontiac - Street 11-06-2024, 12:00 AM
Replies: 14
Views: 628
Posted By MartyVi
Yes was curious if there’s a difference in how...

Yes was curious if there’s a difference in how quickly the timing advances between the two different layouts.
Forum: Pontiac - Street 11-05-2024, 07:04 PM
Replies: 14
Views: 628
Posted By MartyVi
Seems to me that around 1975 GM made a change....

Seems to me that around 1975 GM made a change. Maybe they started using the Chevy weights and plates on all HEI. Don’t really know.
Forum: Pontiac - Street 11-05-2024, 07:01 PM
Replies: 14
Views: 628
Posted By MartyVi
Distributor pic

Here’s another pic of the 1965 electronic distributor.
Forum: Pontiac - Street 11-05-2024, 06:58 PM
Replies: 14
Views: 628
Posted By MartyVi
Thanks Steve. Like the photos show some are in...

Thanks Steve.
Like the photos show some are in one direction and others are as if the weights were flipped over but that does not fit.
I took a pic of a 1965 electronic ignition for a Pontiac and...
Forum: Pontiac - Street 11-04-2024, 02:27 PM
Replies: 14
Views: 628
Posted By MartyVi
[QUOTE=mysticmissle;6534120]I don't know if this...

[QUOTE=mysticmissle;6534120]I don't know if this helps and its vague lol, but i installed a ''crate 455" for a gentleman nthis year and it had a proform distributor that he stated, pulled timing when...
Forum: Pontiac - Street 11-03-2024, 11:47 PM
Replies: 14
Views: 628
Posted By MartyVi
So here is a pic of an aftermarket on left....

So here is a pic of an aftermarket on left. Second from left is original 1974 hei. Next two are from later year Pontiac hei. Correction on my part the advance moves in the same direction on all of...
Forum: Pontiac - Street 11-03-2024, 11:18 PM
Replies: 14
Views: 628
Posted By MartyVi
Pontiac aftermarket HEI weight position backwards?

Seems to me that the weights in the Pontiac HEI are same orientation as a Chevy for clockwise rotation. How would they advance that way ?
Also I looked at an old Pontiac points distributor and the...
Showing results 1 to 8 of 8

 
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