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Petronix distributor gear

Printed From: CorrectCraftFan.com
Category: General Correct Craft Discussion
Forum Name: General Discussion
Forum Discription: Anything Correct Craft
URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=48806
Printed Date: March-05-2025 at 10:34pm


Topic: Petronix distributor gear
Posted By: mlegassey
Subject: Petronix distributor gear
Date Posted: June-05-2020 at 11:03am
I’m switching from Prestolite to Petronix Distributor in the gears on the new one are opposite direction has anybody had any luck with switching the old gear with the new one will this cause any problems?

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Barefoot maniac



Replies:
Posted By: KENO
Date Posted: June-05-2020 at 11:53am
Originally posted by mlegassey mlegassey wrote:

I’m switching from Prestolite to Petronix Distributor in the gears on the new one are opposite direction has anybody had any luck with switching the old gear with the new one will this cause any problems?


Since this seems to be for a 351, you're gonna run into an issue.

The RR gear on your Prestolite has an ID of 0.531 inches and the shaft on the Pertronix has an OD where the gear sits of 0.500 inches. Pertronix doesn't sell a RR gear for that distributor either.

That translates to major won't work type sloppiness.   

Here's a link to a place that would sell you one with the right bore if they had it in stock

https://aaamarine.com/351w-5-8l-ford-reverse-rotation-distributor-gears-500-shaft-for-pertronix-msd-hei" rel="nofollow - link

You can get the one you have bushed down to 0.500 at a machine shop as one option.



Posted By: mlegassey
Date Posted: June-05-2020 at 12:25pm
I should’ve been more specific yes it is a 351 Windsor 1985 ski Nautique

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Barefoot maniac


Posted By: KENO
Date Posted: June-05-2020 at 1:44pm
Originally posted by mlegassey mlegassey wrote:

I should’ve been more specific yes it is a 351 Windsor 1985 ski Nautique


You really didn't have to be more specific

The above info still applies



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