could be something as simple as replacing a thermostat... also, the factory shrouds didn't seal real well where they meet the radiator, you might want to seal all the air gaps so that the fan is only pulling air thru the core, makes a big difference.... ignition timing can also affect the engine temp...
------------------
'72 short step, 350, 700R4, tilt, ps, pdb, a/c, lowered coils, etc., other work in progress... San Diego, CA
http://www.ixpres.com/vlusardi/chevtrk.htm
__________________
'72 short step, 350, 700R4, tilt, ps, pdb, a/c, lowered coils, etc., other work in progress... San Diego, CA
72 Stepside Project