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Old 03-08-2024, 01:36 PM   #1
samkost
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Re: WTB AC Delco # 18M1036

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Originally Posted by HO455 View Post
Having just gone though the replacement of a master cylinder of a 70 C20 that took 3 different/remanfactured master cylinders to get one that worked I am recommending you get your current one sleeved and rebuilt. The three we had were from different vendors but once you opened the box there was no discernible difference in them. Same castings, same paperwork. New or remanufactured no difference.
Still being patient to locate this elusive style master cylinder.
I have a couple of folks checking for me.
As you stated, the last resort would be to rebuild my existing master and the OE cast iron proportioning valve.
Pricey? Yes, but the 72’ would be good to go for another 52 years!

Thanks
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Old 06-16-2024, 11:56 AM   #2
JDarby
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Re: WTB AC Delco # 18M1036

I have this Master Cylinder that I bought new 20 or 30 yrs ago.

All it has done is sit on a booster attached to my 55.1 GMC100.

It has never been used. Don't know exactly if it is what you are looking for.

My project took a different turn and this master is up for grab's.
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Old 06-29-2024, 02:48 PM   #3
samkost
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Re: WTB AC Delco # 18M1036

Sorry for the delayed response JDarby I have been away for a bit.
Thanks for the offer but I finally located an older style master cylinder replacement….finally!
Thanks again
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Old 07-07-2024, 11:59 AM   #4
1970cstblazer
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Question Re: WTB AC Delco # 18M1036

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Originally Posted by samkost View Post
Sorry for the delayed response JDarby I have been away for a bit.
Thanks for the offer but I finally located an older style master cylinder replacement….finally!
Thanks again
Did you locate a new dual bail ACD like the one I found?
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Old 07-07-2024, 01:58 PM   #5
samkost
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Re: WTB AC Delco # 18M1036

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Originally Posted by 1970cstblazer View Post
Did you locate a new dual bail ACD like the one I found?
Not a new one but I located a remanufactured AC Delco (style) from old stock Wearever Parts. If you order a new Wearever brake master cylinder nowadays it will be a single bail.
The EBay seller you offered didn’t have another old stock master cylinder.
I think you got the last one!
It still boggles my mind that the double bail style is not available anymore.
Hopefully the install and functionality test will go well on this unit.
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