Length of Model A head bolts

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Model T Ford Forum: Forum 2013: Length of Model A head bolts
Top of pagePrevious messageNext messageBottom of page Link to this message  By Terry Woods, Katy, Texas on Sunday, June 02, 2013 - 10:04 pm:

What are the lengths of the two different length head bolt studs used on a Model A? I have a four valve Rajo that I want to mount using head bolt studs and nuts, instead of T head bolts.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Roger Karlsson, southern Sweden on Sunday, June 02, 2013 - 10:37 pm:

From Snyder's catalog:
http://www.snydersantiqueauto.com/modelaparts/motorparts-1?page=2
"Regular short studs: 3-15/32". Long outlet studs: 5-23/32". Both are 7/16-14 - 7/16 - 20 threads."
Then there are slightly longer ignition clamp studs..

ignition cable studs


Top of pagePrevious messageNext messageBottom of page Link to this message  By Dave DeYoung on Sunday, June 02, 2013 - 10:39 pm:

Be sure you have clearance at the firewall before you decide to go with studs. I know that none of the T's I've worked on will allow the head to be removed while in the car with studs.


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