Dowel Pin size.

Bottom End (crankcases and crankshaft)
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George Greer
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Dowel Pin size.

#1

Post by George Greer »

Been looking at Palmers books, and I can't seem to find the diameter of the dowel pins in the engine case for the panhead cam cover.

Anybody know what diameter these pins are?

The case that I am going to use has been chrome plated sometime in the past, and I don't think that the cam cover has been mounted on a engine since it was plated.

I would like to run a proper sized reamer thru the cam covers dowel pin holes to clean them up.

Thanks in advance for any assistance getting the diameter of one of these pins.

George
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Re: Dowel Pin size.

#2

Post by nmaineron »

.370"
Andygears
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Re: Dowel Pin size.

#3

Post by Andygears »

The question is "Once sized are the cover holes in the correct location?" In relation to the cam & crank holes.

I don't know but the question should be asked. Perhaps removing the dowels from the right case and fitting the cam & crank to the cover, without dowels, tightening cover screws to keep/not foul the alignment and reaming the cover and case together for a somewhat oversize pin would be the ticket. The dowels seem not hardened and could easily be made on a lathe.

I have not done this but would seem more mechanically correct.

Just my 2 cents, someone else jump in and straighten me out.

Andygears
George Greer
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Re: Dowel Pin size.

#4

Post by George Greer »

Thanks to all that have responded to the pin size.

George
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