some do and some dont, the 72 blazer 350 4x4 had hooked ot radiator instead of to the pump, its the 3/4" hose(larger of the two) that was either on pump or radiator, you can connect however you want to depending on radiator you have, have to pipe plug the pump fitting though if you conenct to rad
good luck
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-71/C-10(thx teeitup and crews!)350 4+4/CH465(thx 71Chev, GMCPaul, and CPNE)longfleet bed(thnx meathead95)!still building it-
-'84 Z28(Z28) 1G1AP87G
XEL100000 with H.O. 305/4bbl/190net/hp(L69) 3.73 rear(GT4/YC4) 700R4(MD8-MXO) & other goodies
-79 G20 pass van, 350/th350/10bolt,
paint is overrated
Randy- Lincoln, IL
randy@ccaonline.com
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