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ID differential parts
Posted by: swi66 ()
Date: June 17, 2022 10:22AM

Can anyone ID the year for these parts. They were in a box as part of a parts collection I bought.

Thanks

Gary Swiatowy

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Re: ID differential parts
Posted by: RexJohnson ()
Date: June 17, 2022 10:29AM

They look like they are '65. The adjuster on the right looks like it is the shorter posi only adjuster. The parts are late model the yoke and straps are what are '65 only.

RJ tools
Salem,Oregon

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Re: ID differential parts
Posted by: cnicol ()
Date: June 17, 2022 12:54PM

As stated in your facebook post, and as Rex stated, '65 differential parts. Those straps, bolts, and yokes are '65 only due to their smaller 1/4-20 bolts.

Craig N. Coeur d'Alene ID.
66 Black Monza 4dr, 4.2L V8 49k
61 Seamist Jade Rampside 140 PG
65 Canadian Monza 4dr 110/PG 40k
66 Sprint Corsa convt - First car! Re-purchased 43 years later
2+2 gnatsuM 5691

+17 Tons of parts

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Re: ID differential parts
Posted by: RobertC ()
Date: June 17, 2022 11:51PM

cnicol Wrote:
-------------------------------------------------------
> Those straps, bolts, and yokes are '65 only due to their smaller 1/4-20 bolts.

If you are selling the parts or using them for yourself, you need to inspect the 1/4-20 bolts.

They are the same size as the valve cover bolts.

Mechanics did not pay attention and used the "soft" valve cover bolts instead of the correct "hard" bolts.

The u-joint bolts are "hard" (grade 5 / 3 marks - memory?). Also, used a lock washer on the bolt.

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Re: ID differential parts
Posted by: RexJohnson ()
Date: June 18, 2022 09:30AM

The u-joint straps should be grade 8.

RJ tools
Salem,Oregon

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Re: ID differential parts
Posted by: RobertC ()
Date: June 18, 2022 10:39AM

RexJohnson Wrote:
-------------------------------------------------------
> The u-joint straps should be grade 8.

?

Stand corrected. Finally found some 65 straps with grade 8 bolts.

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Re: ID differential parts
Posted by: RexJohnson ()
Date: June 18, 2022 04:06PM

Some of those grade 8 bolts for these straps had taller heads on them. Most seem to be the standard height.

RJ tools
Salem,Oregon

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