I have a narrow deck 540-C4B5 that I am rebuilding. I have decided to have the accy cover modified and will be installing the later revision camshaft with the integral gear (too much pitting to grind). This leaves the question of whether I will have the lower, narrow deck gear ratio or the higher wide deck ratio for the prop gov.
The Cam gear drives an idler gear and the prop gov drive ratio should be based upon these two gears, but I can't figure out if the cam gear changed or the idler gear changed or possibly both between the narrow deck and wide deck versons. Does anyone know if one or both of these gears have a different configuration between the narrow deck and wide deck engines?
Thanks,
Larry
The Cam gear drives an idler gear and the prop gov drive ratio should be based upon these two gears, but I can't figure out if the cam gear changed or the idler gear changed or possibly both between the narrow deck and wide deck versons. Does anyone know if one or both of these gears have a different configuration between the narrow deck and wide deck engines?
Thanks,
Larry