'86 K20 that I pulled parts from
Motor that I helped pull...350 4bbl, looked to be a TH350C (had square pan, electrical connections)...odd in a 3/4 ton
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-Steve
1980 GMC C15 Sierra LWB
Dark Carmine Red/Carmine Int
Was: 250/3spd (1980-88), then a 305/TH350 (1988-2011)
Now: 5.3/4L60E, 2.73 12-bolt open rear