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Author Topic: Crank Bolt and Washer ?  (Read 1401 times)

Offline Brian Conway

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Crank Bolt and Washer ?
« on: October 01, 2014, 07:45:58 PM »
This bolt and washer came off of a 66 San Jose 6 cyl. 200 c.i. motor long ago.  A recent discussion regarding crank washers got me curious.  This washer is 1 3/4" across, 3/16" thick, is concave on the bolt head side and has a beveled edge.  To me that is an unusual washer.  Was this a stock application ?   Thanks,  Brian
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Offline wunderwerks

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Re: Crank Bolt and Washer ?
« Reply #1 on: October 01, 2014, 11:23:36 PM »
Ford listed this washer part # C0DZ 6378-A as applying to all 170, 200 and 250s as 1.76" OD, .58" ID and .230" thick.
The bolt is listed as part # C1TE 6A340-B also applying to all six cyl. as a 9/16"-18 X 1 3/4" hex head.

The deflection you see in the washer was possibly caused by excessive resistance while using the bolt and washer to install the dampner pulley sometime in its past life.
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Offline Brian Conway

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Re: Crank Bolt and Washer ?
« Reply #2 on: October 02, 2014, 02:13:03 PM »
Thank you WW for the research and post.  So it is the correct application for a 66 T code.  Washer seems to be extraordinarily thick, almost 1/4", and the guy that damaged the thing must have been a brute.  Brian
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Offline J_Speegle

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Re: Crank Bolt and Washer ?
« Reply #3 on: October 03, 2014, 10:31:34 PM »
Quote from: Brian Conway on October 02, 2014, 02:13:03 PM
............ and the guy that damaged the thing must have been a brute.  Brian

Or had a impact turned up a bit  ::)
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Offline Brian Conway

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Re: Crank Bolt and Washer ?
« Reply #4 on: October 07, 2014, 07:44:23 AM »
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5RO9A GT  4 Spd Built 5/29/65
9TO2R SCJ 4 Spd Built 9/19/68
Owner Driver Mechanic
San Diego, Ca.

Offline J_Speegle

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Re: Crank Bolt and Washer ?
« Reply #5 on: October 07, 2014, 07:31:47 PM »
Quote from: Brian Conway on October 07, 2014, 07:44:23 AM
A pre-load crank washer ?    Brian

  http://forums.vintage-mustang.com/vintage-mustang-forum/807466-concaved-convexed-side.html

Unfortunately IMHO the original poster never says ( if Waynedid I missed it) the source of the washer. He mentioned that he  purchased it new..... but does nto say from where.... lots of questions before I assumed it was correct or like an  original. Got buckets of hardware and don't recall ever seeing  one from a early small block

Just me ;)
« Last Edit: October 07, 2014, 07:35:40 PM by J_Speegle »
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Jeff Speegle

Anything worth doing is worth doing concours ;)
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