James_Douglas Posted February 23, 2020 Report Share Posted February 23, 2020 (edited) Hi All, Has anyone used something other then the 5 inch (measured in the base of the pulley v groove) standard pulley and had it clear the cutout in the front frame or not drop when the engine gets a good bounce? I have one that is 7 inch (OD, probably 6-1/4 at the base) off of my "combine" 265 engine and before I pull the radiator on the '47 Desoto to see if it will clear for the new rebuild...I thought I would ask if anyone has gotten a larger one that would clear...in particular with a Desoto or a Chrysler frame. Thanks all, James. Edited February 23, 2020 by James_Douglas Quote Link to comment Share on other sites More sharing options...
Doug&Deb Posted February 24, 2020 Report Share Posted February 24, 2020 Does your stock pulley have a flat on one side? I’m not familiar with the DeSoto setup. On the D24 I used to have if I didn’t index that flat properly getting the belt off was almost impossible. Just out of curiosity what is the advantage of a larger diameter pulley? Quote Link to comment Share on other sites More sharing options...
Sniper Posted February 25, 2020 Report Share Posted February 25, 2020 A larger diameter crankshaft pulley will drive the water pump and alternator/generator faster. Assuming you don't change those pullets too. Quote Link to comment Share on other sites More sharing options...
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