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Old 11-23-2017, 06:03 PM
olredalert olredalert is offline
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Default Master Cylinders
----I have two master cyl's that I'd like to ID. Both are 67 thru 69 style power brake masters. Can anyone help me out?

----The 1st is stamped EA.

----The second is a bit hard to read but appears to be either DS or JS.
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Old 11-24-2017, 12:01 AM
ssl78 ssl78 is offline
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I believe that EA would be for a 1969 GTO
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Old 11-24-2017, 03:24 AM
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On the same topic... Why do some of these 309 master cylinders have a deep hole on the back, and some just a shallow dimple?
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Old 11-24-2017, 04:40 AM
olredalert olredalert is offline
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Originally Posted by camarojoe View Post
On the same topic... Why do some of these 309 master cylinders have a deep hole on the back, and some just a shallow dimple?
----I just sent out a BA cylinder to be rebuilt and the rebuilder called me up and asked which one was on the car as I told him I was replacing an incorrect one. I looked and it was the deep hole. He claimed it was a random thing, but I'm not sure that's correct.......Bill S
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Old 11-24-2017, 02:35 PM
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Bill who are u using to rebuild your master cylinder someone local or ? Thanks
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Old 11-25-2017, 02:23 PM
olredalert olredalert is offline
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----1st. time using these guys, but very impressed! They did everything just the way I wanted. www.KARPSSPB.com . Located in Upland CA.......Bill S
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Old 11-25-2017, 03:06 PM
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I found these guys right near me and they do a really nice job on Master Cylinder rebuilding.
Re-sleeve and painting & all for $160 with a 3 year warranty.
http://www.rebuildersenterprises.com/
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Old 11-25-2017, 03:23 PM
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Recheck the letters on the other cylinder. Could it be US?
That's a 69 Camaro Master Cylinder if it is.
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Old 11-25-2017, 04:29 PM
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Originally Posted by olredalert View Post
----1st. time using these guys, but very impressed! They did everything just the way I wanted. www.KARPSSPB.com . Located in Upland CA.......Bill S
Speaking about brakes....you missed out on all the fun yesterday.
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Old 11-26-2017, 02:41 PM
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Recheck the letters on the other cylinder. Could it be US?
That's a 69 Camaro Master Cylinder if it is.
----Bingo, Jonesy! Thanks! That U is a bit distorted but the master itself is very nice and it will be for sale soon as it is on my 69 Chevelle presently. The 69 Pontiac will be as well.....Bill S
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