today I washed 2nd engine cylinderblock. I sanded orange colour increased little epoxy primer where needed, taped and painted. Im gonna use later model Mercury water pumps with 1936-37 truck 2row pulleys. Then I can install McCulloch supercharger + Cirello magneto (426cid)+ 8BA style timing cover. I can make 5" 2row crank pulley. Not easy to get all same line,.... but I have make some measurement and plan. Aulis
4hours and I have pumps ready. I pieced those, blowed with glass, cut neck shorter, machined pulleys inside, installed all, test measurements... Now pulleys are 10mm more near engine block than if I would install pulleys direct on shaft. I dont know if somebody has done this before, but now I have 1950-53 mercury pumps with 1936-37 truck 2row pulleys. Aftermarket 4.25"stroke crank has long "neck" so easy to make crank pulley. I use industrial pulley. maybe 4.5" OD or bigger if possible to use it. I dont have timing cover yet, so I cant make 426hemi magneto ready, but I suppose all is going OK. I need to make new bracket for idler and have to use Red power (obtibelt) or Hi-Power (gates). Those are better for this kind of use when v-belt is turned both way. a
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