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Author Topic: Upper alternator bolt  (Read 17952 times)

GaryL

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Upper alternator bolt
« on: September 13, 2009, 03:38:28 AM »
Does the upper adjustment bolt have a "TR" head? I believe it is a 5/16 NC about 1" long.

Thanks in advance.
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Gary

Lemans Blue X33. DZ, M20, manual steering. Only BU code rear end is original.

KurtS

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Re: Upper alternator bolt
« Reply #1 on: September 13, 2009, 03:55:01 AM »
I've seen different markings, IIRC. But the washer setup is always the same...
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Kurt S
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68Zproject

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Re: Upper alternator bolt
« Reply #2 on: September 13, 2009, 06:17:18 AM »
I have a 69 Z setup.  I'll try to see what it is tomorrow
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GaryL

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Re: Upper alternator bolt
« Reply #3 on: September 13, 2009, 04:03:30 PM »
Quote from: KurtS on September 13, 2009, 03:55:01 AM
I've seen different markings, IIRC. But the washer setup is always the same...

Flat washer, lock washer, bolt?
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Gary

Lemans Blue X33. DZ, M20, manual steering. Only BU code rear end is original.

68Zproject

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Re: Upper alternator bolt
« Reply #4 on: September 14, 2009, 12:23:32 AM »
Quote from: GaryL on September 13, 2009, 04:03:30 PM
Quote from: KurtS on September 13, 2009, 03:55:01 AM
I've seen different markings, IIRC. But the washer setup is always the same...

Flat washer, lock washer, bolt?

In that order.  It's in the 69 AIM.  My 69 bolt was TR, but my 68 one is WB.
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GaryL

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Re: Upper alternator bolt
« Reply #5 on: September 14, 2009, 08:01:33 PM »
"TR" it is for mine. Thanks.
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Gary

Lemans Blue X33. DZ, M20, manual steering. Only BU code rear end is original.

Jerry@CHP

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Re: Upper alternator bolt
« Reply #6 on: September 15, 2009, 01:43:47 PM »
Think the survivor '69 Z I had was "RSC".  I can't recall seeing any alt adj bolts with TR markings.

Jerry
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GaryL

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Re: Upper alternator bolt
« Reply #7 on: September 15, 2009, 05:18:37 PM »
Thanks Jerry. I will use an "RSC" for the top adjustable and the "TR" for the lower fixed bracket at the water pump.
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Gary

Lemans Blue X33. DZ, M20, manual steering. Only BU code rear end is original.

GaryL

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Re: Upper alternator bolt
« Reply #8 on: September 15, 2009, 08:25:58 PM »
Quote from: KurtS on September 13, 2009, 03:55:01 AM
I've seen different markings, IIRC. But the washer setup is always the same...

What markings?
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Gary

Lemans Blue X33. DZ, M20, manual steering. Only BU code rear end is original.

KurtS

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Re: Upper alternator bolt
« Reply #9 on: September 17, 2009, 12:27:54 AM »
I'd have to dig thru my piles, but I've seen three or four.
IMO, it's more important to have the right design of bolt and washers. The bolt was a commodity and could be supplied by any # of companies. So it probably varied thruout the year.
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Kurt S
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GaryL

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Re: Upper alternator bolt
« Reply #10 on: September 17, 2009, 02:46:47 AM »
Quote from: KurtS on September 17, 2009, 12:27:54 AM
I'd have to dig thru my piles, but I've seen three or four.
IMO, it's more important to have the right design of bolt and washers. The bolt was a commodity and could be supplied by any # of companies. So it probably varied thruout the year.

A friend of mine was looking at my engine. He told me to find the correct bolts for the alternator and he would look thru what he has. How can I disappoint him? ;D
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Gary

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GaryL

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Re: Upper alternator bolt
« Reply #11 on: September 19, 2009, 11:35:28 PM »
How about "WB" head markings?
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Gary

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68Zproject

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Re: Upper alternator bolt
« Reply #12 on: September 20, 2009, 02:27:35 AM »
I was going to put in a link to TC, but I realized that was you.
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68Z28

JohnZ

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Re: Upper alternator bolt
« Reply #13 on: September 20, 2009, 02:36:49 PM »
Quote from: GaryL on September 19, 2009, 11:35:28 PM
How about "WB" head markings?

"WB" is the headmark most commonly seen on 60's Corvette alternator brace bolts, but it's a different part number than the bolt used on the Camaro.
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GaryL

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Re: Upper alternator bolt
« Reply #14 on: September 20, 2009, 07:56:37 PM »
Quote from: JohnZ on September 20, 2009, 02:36:49 PM
Quote from: GaryL on September 19, 2009, 11:35:28 PM
How about "WB" head markings?

"WB" is the headmark most commonly seen on 60's Corvette alternator brace bolts, but it's a different part number than the bolt used on the Camaro.

What does your car have John?
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Gary

Lemans Blue X33. DZ, M20, manual steering. Only BU code rear end is original.
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