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05-12-2024, 08:32 PM | #1 |
Senior Member
Join Date: Dec 2010
Location: San Jose, CA
Posts: 203
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What is the correct size bolt for "35 engine pan
The rebuilder of my 1935 engine used 1" long bolts on the engine oil pan. They bottomed out before they were fully tight and I have been chasing oil leaks for a couple of years before figuring out what the cause was. Should they be 3/4 inch 5/16x16 tpi or what? Are there any sources of the correct non marked bolts? Thanks for your help. Jim in San Jose
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05-12-2024, 09:03 PM | #2 |
Senior Member
Join Date: May 2010
Location: southeastern Michigan
Posts: 10,127
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Re: What is the correct size bolt for "35 engine pan
5/16-18 x 3/4" except for one 5/16-18 x 1" bolt at the rear where the threades are in the pan, not in the cylinder block.
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05-13-2024, 12:29 AM | #3 |
Senior Member
Join Date: Jan 2011
Location: sw minnesota
Posts: 4,602
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Re: What is the correct size bolt for "35 engine pan
Thats a shame that the rebuilder was not sharp enough to use the original ford bolts.
They have a thicker head, and are of better quality steel than what you can buy today |
05-13-2024, 06:58 AM | #4 |
Senior Member
Join Date: May 2010
Posts: 4,786
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Re: What is the correct size bolt for "35 engine pan
You can get a kit of the proper bolts from Third Gen Auto in Tenn check their web site.
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05-13-2024, 06:59 AM | #5 |
Senior Member
Join Date: Mar 2014
Location: Jacksonville FL
Posts: 4,026
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Re: What is the correct size bolt for "35 engine pan
Try Michael at Third Gen for the correct bolts both in finish and length
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05-13-2024, 10:05 AM | #6 |
Senior Member
Join Date: Oct 2016
Location: harpursville ny
Posts: 1,055
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Re: What is the correct size bolt for "35 engine pan
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