1964 SM420 Clutch question
Hey guys - need your advice again. As most of you know I have a 64 3/4 ton truck w/ 305E in it, and SM420 trans. So I take it to the mechanic shop to see about getting a new clutch put in, and they remove what is believed to be the original clutch (only 89K original miles on this Jimmy) and find it to be an 11" clutch. So once that was identified for me, I knew what size to ask for, so I went to 3 different parts stores and every single one said their computer systems only show a 12" clutch for this 305E equipped truck - same for 1000 series, 1500 series and 2500 series according to them.
So, what in the world have all of you been putting in your SM420's for replacement HD clutches? (and where did you order or buy it from)
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My 60-66 GMC Projects:
1960 1001 Custom Cab short wideside BBW, 305A V6, factory PB, Hood Jet, Radio and Hydramatic.
1962 K1000 4x4 short wideside, BBW, 305D w/ SM420, PTO Winch
1966 1001 Custom Cab short wideside, w/ super rare Sport Trim option interior (bucket seats)
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