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McMillan cylinder head questions

Posted: Tue Jun 01, 2021 2:51 pm
by Gene_French
I will be beginning the finish machining operations and rocker fabrication on a McMillan overhead valve cylinder head casting ... many of the operations are clear , standard operations ... i am interested in any information regarding the placement and type of spark plug used ... any photos or drawings of a finished cylinder head would be appreciated ...always an optimist ...Gene French
McMillan head.jpeg
McMillan head.jpeg (49.89 KiB) Viewed 1547 times
McMillan head2.jpg
McMillan head2.jpg (37.09 KiB) Viewed 1547 times
McMillan head1.jpg
McMillan head1.jpg (32.78 KiB) Viewed 1547 times

Re: McMillan cylinder head questions

Posted: Tue Jun 01, 2021 7:28 pm
by Tim Williams
I talked to Chis Becker, and he said he is calling someone who is familiar with the head and should be in touch with you soon.

Tim

Re: McMillan cylinder head questions

Posted: Tue Jun 01, 2021 7:41 pm
by Kevin Pharis
My dad has one on the shelf... I’ll snap a couple pics next time I’m over👍

Re: McMillan cylinder head questions

Posted: Wed Jun 02, 2021 8:53 am
by Gene_French
Kevin:
thank you ... pictures would be helpful ... i want to be careful with the spark plug placement since i don't have any info. on foundry patterns and material thickness ... i am certain that the plugs will be centered in cylinders on the intake side ,BUT , may be angled and elevation is uncertain ... any help is appreciated ...always an optimist ...Gene French