after watching the forums discussions on cooling issues , I of course wanted to solve all these issues before driving my car. having worked in the hot rod/racing industry for 35 years I contacted howe racing for a radiator stewart racing for a water pump and I wanting to use a serpentine belt on my engine , I bought a march pulley set ,5.5'' crank and water pump pulley, which is a 1:1 drive on the water pump. I bought a Stewart water pump and asked them about pulley ratio's . they recommended for the street 15-20% overdrive w/6500 rpm limit . I purchased a 4.75 '' water pump pulley from jones racing products. I did the swirl tank/surge tank mods , Robert shaw 195 thermostat, howe racing16X24 double pass radiator ,full shroud w/16'' spall puller fan. the shroud has 8 rubber flaps with about 45sq'' of area for cruise speeds.a/c condenser in front of radiator. the car has been driven 1100 miles this summer in Tucson, mostly on the street in 100-115 temps , runs on the thermostat at 195 and the fan cycles when idling. hiway driving 75-100 at 195* also. attached is a photo of the belt arrangement. with all the input from my sources I am happy with their advice plus I have a pantera with no cooling issues! p.s. the extra belt straddling the water pump snout is for the whipple supercharger drive.
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