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**dennislbrooks** · 04-02-2016, 09:32 AM

I am running a 350 sbc with a 700r4 with lockup and had a 3.08 gear in it. When the OD kicks in at 50 mph rpms would drop to about 1200 so I changed the whole rear diff to a 3.73 out of a 92 4 wd pickup.

04-02-2016, 09:32 AM	#1
dennislbrooks Senior Member Join Date: Feb 2004 Location: Williamsburg, Ohio Posts: 1,766	42 rear diff change --s10 frame I am running a 350 sbc with a 700r4 with lockup and had a 3.08 gear in it. When the OD kicks in at 50 mph rpms would drop to about 1200 so I changed the whole rear diff to a 3.73 out of a 92 4 wd pickup. Attached Images