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Old 08-12-2023, 10:56 AM
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Originally Posted by eschaider View Post
Perhaps the best possible, never needed it!
I’m liking that dist, think that’s the one! I’m guessing it come with a steel gear, didn’t see anything on their site
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Old 08-12-2023, 11:03 AM
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Don't know. Best way to find out is contact them.
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Old 08-12-2023, 03:41 PM
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Originally Posted by Davidless View Post
I’m liking that dist, think that’s the one! I’m guessing it come with a steel gear, didn’t see anything on their site
Yes, a steel gear for steel roller cam. Red the description on Summit. Again, never had needed Pertronix customer service. It might suck, but I wouldn't know.
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Old 08-16-2023, 09:38 AM
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Originally Posted by Davidless View Post
I’m liking that dist, think that’s the one! I’m guessing it come with a steel gear, didn’t see anything on their site
From the Progression Ignitions product description:
"Distributor gear is melonized steel. Compatible with flat tappet cams and hydraulic roller cams."
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Old 08-16-2023, 12:52 PM
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Quote:
Originally Posted by NROTOXIN View Post
From the Progression Ignitions product description:
"Distributor gear is melonized steel. Compatible with flat tappet cams and hydraulic roller cams."
Hmm
Melonized steel is a salt bath Ferritic Nitrocarburize procedure which uses a cyanide base. The process is accomplished at temperature around 1050F. It is usually (but not in all cases) applied to low alloy steels to form a surface generally of iron nitrides.

I'm guessing it can be used as a substitute when a steel gear is specified?

Summit:
Melonized or Hardened Steel
Heat treated for durability.
Slick surface is compatible with any type of cam.
Often used by the OEM for long life.
Generally used as the default gear on replacement distributors.

Today, GM and Ford both use melonized gears in several of their street crate engines equipped with steel camshaft cores. Because of their wear properties, melonized gears are a good fit for cars with either ductile iron camshafts or cams manufactured from billet steel. Melonized gears are compatible with conventional iron core camshafts too.

Last edited by Davidless; 08-16-2023 at 01:09 PM..
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