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Post Info TOPIC: Gm 3701323 washer on a 66
jim larson


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Gm 3701323 washer on a 66
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i have been trying to locate a special washer used on the front bolt of the rear bumper bracket On a 66.  I am thinking it is some kind of serrated or cone washer that is use to make sure the front position of the bumper bracket bolt  doesn’t change.  The rear bolt special hexagonal washer being used to adjust the height of the bumper and it will also not allow the rear bolt to move once in position. I think this may have been used only on a 66  or earlier with a change in 67 to a similar design.  Maybe Chris will chim in if or when he removes his rear bumper to work on his trunk.  Attach is a photo of a washer from a Pontiac site that might be similar And also a photo of the hexagonal washer with the offset Center. Thanks for any info.



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Jim L

Lake City
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I don't show any GM dealer having that in their inventory nationwide anymore.

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Bryan-NW 'burbs
1972 Malibu
Vaguely stock appearing, and the opposite of restored.
1999 std bore 5.7, Vortec heads, Holley Stealth Ram, GM cam
700R4, Viking coilovers, 12 bolt 4.10 posi, and a whole bunch more
jim larson


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Thanks for checking BRYAN. It Was replaced by 3767286 sometime before 1979 and discontinued later, trying to determine if it was.serrated , cone shaped, both, or neither. The later years like your car supposedly used a serrated washer.

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Jim L

Lake City
more ambition than brains


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Time for Jim to visit Karls' 66 salvage.
Might take some digging, but there are some in my inventory.

Have taken more than three apart, only have three to reassemble.

cenuniv

Karl



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More ambition than brains,

If you have more than 5 of anything, best to stop counting!
jim larson


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more ambition than brains wrote:

Time for Jim to visit Karls' 66 salvage.
Might take some digging, but there are some in my inventory.

Have taken more than three apart, only have three to reassemble.

cenuniv

Karl

 Yes I will have to do in the near future.   It would be an adventure. Hope to make it back from AZ for the Jan meeting; but wife is loving the mid 70’s.



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Jim L

Lake City
67ss


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Have not pulled the rear bumper on mine yet. I'll try and look when I do.



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Chris P
East Central, Mn

66 Chevelle 300 deluxe
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Jim

Go to amkproducts.com, they have both washer in there catalog.

The 8 sided offset washer GM PT# is 3838450, at AMK a B-13743.

Don't see the 3701323 at all in the GM Parts but the amk cat has them in 3 sizes, B-11316, B-13072, & B-13073.

Hope that helps



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Bob W.

Lino Lakes
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