Advice of Dana 60 Gears

[James L Miller]

Originally Posted by ss125h

John, I run same car, but a lot less torque (340) with 8.75 ,point is we always have the gears heat treated. Have had very few problems, even running close to 3700 lbs. We do run 6-12 thou. bk-lash, with auto trans. good luck. Glen H 1257

What hardness do you have the gears heat treated? For 8620 and 9310 steels the tempering temperatures are in the 300F to 450F range.

https://www.emjmetals.com/pdf_indexe...loy_Steels.pdf

https://www.emjmetals.com/pdf_indexe...denability.pdf