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Author Topic: Balancer bolt  (Read 288 times)
68Zproject
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« on: June 21, 2014, 05:54:35 PM »

I've been going through all the threads without much luck.  What is the usual headmark on the balancer bolt?  And did it have a lock washer or a star washer?  In the AIM it looks to be a star washer.
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68Z28
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« Reply #1 on: June 21, 2014, 07:21:50 PM »

My 69 Z28 has "TR" headmark with a star washer, it is also drilled as though safety wire could be used. Owned the car since 74.

FWIW.  I have seen this drilled balancer bolt before on lots of high HP Corvette and Z28 engines. Also seen "WB" head marking.

Hope this Helps.
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68Zproject
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« Reply #2 on: June 21, 2014, 09:34:22 PM »

Well, I have one that says TR and one that says Rockford.  I know I got a repro one once and it stripped out so I wanted to make sure I didn't use that one again.
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68Z28
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