In the 69 AIM, page 85 under UPC Sect. 6, Radiator Hoses:Upper
: Tower hose clamp P/N-9411656 for the P/N-3905964 L-6 inlet hose. Same clamps for the V-8 hose P/N-3956662. Ref. AMK Products item #B-13883, 2-1/16” (qty 2 for $6). www.amkproducts.comLower
: Tower hose clamps P/N-274765 for P/N-3891554 L-6 outlet hose and P/N-3942567 V-8 hose. AMK item #B-13884, 2-5/16” (qty 2 for $6).Smog Pump System Hose
: AIM page 96 for the L-6 engine, page 101 for the V-8: both show tower clamps P/N-9423575, Qty. 4 for the diverter valve to P/N-5361992 valve assemblies, AMK #B-13092, 1-1/6” (Qty. 2 for $5).Heater Core Hoses
: AIM page 44 call for tower clamps P/N-9428796 for the H.C. supply hose. AMK does not callout this P/N but do list tower clamp #B-13093 for 1-3/16” hoses (Qty, 2 for $5). Return hose tower clamps are same as Smog Pump Hoses, P/N-9423574, AMK #B-13092.
The AIM also shows and approx. location and orientation for the clamps. Note the orientation of the upper radiator hose. Page 482 in the AIM, Under option ZL2 (cowl induction hood), with RPO L48 or Z28, the clamp is to be rotated at about 60 degrees right of top dead center. See pic "Upper hose clamp 2".