Re: SAE A or B bolt pattern on H4 magneto?

Posted by farmalldan on April 07, 2005 at 10:45:15 from (64.154.26.251):

In Reply to: SAE A or B bolt pattern on H4 magneto? posted by David in UT on April 06, 2005 at 19:43:43:

David,
I have had the same thoughts as you and have researched a bit. Problem is the M&W pump replaces the magneto adapter and the attachment to the timing gear cover is proprietary to IHC and not any type of SAE standard. The good news is that the magneto flange is an ASAE standard and closely matches the SAE A bolt pattern (I think). However, the slotted drive coupling does not match the hydraulic pump standard. My thoughts were to machine a plate to match the timing gear cover on one side and a SAE A pad on the other. Then by using a piggy back hydraulic pump and machining the slotted drive coupling, I could put any variety of commercially available hydraulic pumps (as long as they had piggy back capability)on an H or M or ?. So for maybe a $1000-1500 investment and about a month of engineering and manufacturing, I would have a replacement for the stock pump which can be purchased for about $550.00. Somehow, it didn't seem as attactive as it first did. The add on live hydraulics pump for the letter series JD which goes between the mag and the mag flange, now that has interesting posssibilities! Good luck.

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• Re: SAE A or B bolt pattern on H4 magneto? David in UT 19:51:51 04/07/05 (0)

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