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best product to test ring and pinion for pattern

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Dan Timberlake
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best product to test ring and pinion for pattern

Post by Dan Timberlake » Sun Jun 16, 2019 10:21 pm

What do people like for checking ring and pinion pattern ?

A thin coat of bluing is too faint for my taste.

Maybe time to but some of the "red lead" referred to in those old shop manuals.

BillK
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Re: best product to test ring and pinion for pattern

Post by BillK » Mon Jun 17, 2019 6:30 am

I use GM Gear Marking Compound. It is yellow and shows up real well. Part number 1052351 It works great on the tips of valves too for rocker geometry.

https://paceperformance.com/i-6484606-1 ... s-etc.html

You can get it on Amazon also or your local GM dealer.
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Kevin Johnson
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Re: best product to test ring and pinion for pattern

Post by Kevin Johnson » Mon Jun 17, 2019 5:13 pm

Obviously don't use red lead any longer. Technicians used to stain/paint porcelain with fine brushes (one such stain was red lead). A bad habit was when they licked or wetted the hairs to create a fine point. Doubtless this was done with radium as well. Needless to say, that was not conducive to a long life.

Dan Timberlake
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Re: best product to test ring and pinion for pattern

Post by Dan Timberlake » Mon Jun 24, 2019 8:28 am

"minium" is still available.
https://www.naturalpigments.com/minium-100g.html

But I like the thought of the GM product better.

Maybe I better have a peek at the ingredients list and MSDS before I use it on hot dogs

ustahava67
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Re: best product to test ring and pinion for pattern

Post by ustahava67 » Mon Jun 24, 2019 4:57 pm

I use zinc oxide in a petrolatum base.... Baby diaper cream
My Dyno is 1320 ft long. Romans 12:2

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