I am trying to convert my 41 9n to 12v, with a 7127 63amp chev alternator. The 5/8" belt on the 9N does not fit in the pulley on the alternator at all. Can I use a 1/2" belt instead? it seems to fit ok in the waterpump and crank pulley without bottoming out, but i thought i might ask for some other opinions, otherwise i could bore out a common 5/8 belt pulley for 5/8 keyed shaft to fit the 11/16 shaft on the alternator, but i'd rather not, and getting the hole centered on the pulley might be difficult. another idea i've been thinking about is attaching a spare hydraulic pump on the front to get live hydraulics on my n, its still got the original pressed crank pulley, and my ford/NH dealer wanted $100 for the pulley, $77 for the stinger hub, and $100 for the stinger hub shaft for a front mount pump, which really isnt worth it to me. Does anybody know a cheaper way of doing this? also the spare pump i have is a bit odd, the shaft on it is 3/4" o.d. with 11 splines, havent been able to find any hubs that fit it to go to standard 3/4" keyed
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