Following on from Lynn's post, the basic c/shaft pulley number is, as he and Rick said, '6312' which is applicable to any c/shaft pulley - GP-6312 is for the Ford GP, GPW-6312 is for the jeep, 81T-6312, 91A-6312 and 21A-6312 for various configurations of V8. The Lynx workshop manual diagrams just provide the basic item number, not the essential prefix: you would need a Lynx parts list for that.
Peter, I note the manual shows a single belt pulley configuration for the Lynx Mk3 and 3*, rather than the twin belt pulley configuration common on CMP trucks. So I'm surmising that you have gathered the various parts from other places, ie not originally taken off your Lynx during restoration. (I have not followed your forum posts closely: you may have explained that previously).
I'm suggesting, with the variety of (1) water pump pulleys (2) generator front plates (3) generator pulleys and (4) crankshaft pulleys that were available for V8s in various applications, that that may be the source of your misalignment - a mix of items from different applications. The 1941 master parts list shows that there were 13 different generator pulleys, either twin or single pulley, produced between 1928 and 1940, varying in size from 3.58 inch diameter to 5.18 inch diameter, and seven different generator front plates, which, combined, gave 20 different combinations of generators. The same applies to crankshafts, crankshaft pulleys and so on: there are multiples listed up to end 1941, so the number probably only increased after that.
To overcome the problem, a set of matching items would need to be located. Easy to say, of course, but an intact 'junker' V8 may provide you with such a matching set.
Mike
07-01-17, 18:24
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