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Old 06-10-2011, 10:36 AM   #1
samdjr74
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55-57 rad support bolts?

Hi All,

I'm trying to figure out what size bolt is used to hold the rad support to the frame of my 56 3100. I've tried a few different bolts, nothing seems to work and my shop manual just references a part number which I can't find anything on it in google.

Thanks,
Sam
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Old 06-10-2011, 11:58 AM   #2
OrrieG
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Re: 55-57 rad support bolts?

working from memory I think it is a fine thread bolt 3/8" or 7/16" bolt size.
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Last edited by OrrieG; 06-10-2011 at 11:59 AM.
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Old 06-10-2011, 12:30 PM   #3
samdjr74
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Re: 55-57 rad support bolts?

Thanks, I'll give them a try. The nuts are so gunked up with paint and rust I need to run a tap through them but I want to make sure I use the right size.
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Old 06-10-2011, 09:29 PM   #4
mdstitt
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Re: 55-57 rad support bolts?

Fine thread 7/16 is correct. Not sure on the length.
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