6066 (1960-1966) GMC Truck Club

6066 (1960-1966) GMC Truck Club (https://6066gmcclub.com/index.php)
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-   -   Differential Torque Values (https://6066gmcclub.com/showthread.php?t=51172)

cowboygunner July 18th, 2021 01:10 PM

Differential Torque Values
 
1 Attachment(s)
Good day all! Wondering if anyone has torque specs for the rear differential plate on a 1962 C1500 truck. Have a new gasket on its way, and want to do it right. Also curious to know if anyone has insight as to what rearend and gearing I might have. There is some info from NAPA as to what it may be. Any options for more efficient highway driving (I do very little - but want to drive her to car shows in nearby states)? This thing is geared for stump-pulling. Doing my best to keep the RPMs down on this big V6. Thanks in advance!

Funky61 July 18th, 2021 06:04 PM

Re: Differential Torque Values
 
Differential Cover bolts should be 15-20 ft lbs

cowboygunner July 18th, 2021 08:31 PM

Re: Differential Torque Values
 
Perfect. Thank you Funky61...:thumbsup:

Funky61 July 18th, 2021 09:28 PM

Re: Differential Torque Values
 
2 Attachment(s)
That NAPA gasket is for the Dana 44 and from your intro thread photos I saw you have a
Dana 60.

Standard gearing per manual is 4:56 and Optional is 4:10's.

James July 19th, 2021 09:41 PM

Re: Differential Torque Values
 
Once you remove the cover the ratio is stamped on the ring gear.

cowboygunner July 19th, 2021 11:02 PM

Re: Differential Torque Values
 
James and Funky: I really appreciate the guidance on this. I am making careful notes of all the knowledge and wisdom y'all are throwing my way. I will pay it forward. Thank you!


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