SAE A or B bolt pattern on H4 magneto?

Posted by David in UT on April 06, 2005 at 19:43:43 from (208.15.63.195):

Hi all,

On a '40 M restoration, I'm planning on swapping out the totally hammered M&W live hydraulic pump with a modern one. I know -- I could just buy a oem-style replacement, but I guess I'm just a glutton for punishment. Either that, or I like the challenge of engineering new parts to old parts or something like that...

In any case, the magneto attaches to the hydraulic pump with a two bolt flange. I'm hoping that flange corresponds to one of the standard SAE hydraulic pump flanges. I've seen reference to Type A and Type B two-bolt designs. Does anyone know if this is the case, and if so, which one?

If it turns out to be standard, then I'm more likely to find a modern pump that will fit...at least on that end of things.

If I can nail down that issue, then I can start looking into machining my own flange for connection to the motor.

Thanks for any thoughts or comments,

- David

Follow Ups:

• Re: SAE A or B bolt pattern on H4 magneto? farmalldan 10:45:15 04/07/05 (1)
  • Re: SAE A or B bolt pattern on H4 magneto? David in UT 19:51:51 04/07/05 (0)
• Re: SAE A or B bolt pattern on H4 magneto? dr.sportster 10:13:28 04/07/05 (1)
  • Re: SAE A or B bolt pattern on H4 magneto? David in UT 19:55:34 04/07/05 (0)

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