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lowdown72 · 03-22-2011, 10:33 PM

its a doug nash under over drive unit i have one thats hooked to the th400 in my 72 chevy its a 20% overdrive unit there should be a switch that mounts on shifter like the one in the pic

03-22-2011, 10:33 PM	#18
lowdown72 Registered User Join Date: Feb 2011 Location: mcminnville tn Posts: 317	Re: od? its a doug nash under over drive unit i have one thats hooked to the th400 in my 72 chevy its a 20% overdrive unit there should be a switch that mounts on shifter like the one in the pic Attached Images __________________ 72 c-10 67 clipped 327 th400