I have an `85 F350 with 460 engine, no A/C. The motor came with emissions air pumps but, since they were not working, I have removed them and recently bought a used alternator bracket to replace the monstrosity that held the air pumps and alternator.

I am not sure about the origins of the new bracket but, I suspect it came from a car. It mounts the alternator lower then the previous bracket and so it comes rather close to the cross member. Also, it aligns the alternator further back and it no longer lines up with the outer most crank pulley that had been the drive pulley for the alternator. Therefore, to drive the alternator I will have to use one of the two power steering pulleys which is a little smaller in diameter then the pulley that had been driving it.

My concerns are the alternator will hit the cross member when the motor is under torque, the smaller crank pulley will not drive the alternator fast enough at idle to keep the battery charged, and the remaining single power steering belt will not be enough to drive the pump under load.

Anyone been there done that? Any thoughts or comments?

Thanks

Mark

 

It sounds like you don't have the proper spacer (to Bring it out further).

There are two different styles > Upper & Lower mounting for 4x4 & 2x4 460's respectively.



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Dennis,

My truck is two wheel drive. The new bracket places the alternator lower and back more then the original bracket. So, do I need a bracket that mounts it higher and would it bring it back forward enough to line up with the correct crank pulley? If that is the case, do you know what year vehicles I would try to harvest this from?

Thanks,

Mark