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#1
11-25-2019, 12:20 AM
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67 gto master cylinder
I was cleaning the firewall this weekend...someone had spray painted some of areas with black paint including the master cylinder . I’ve been able to clean a lot of it up . While cleaning I found this sticker on the back side of the master cylinder and cleaned it and moved it forward to take a picture. Anyone know what it means or if it’s original?
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#2
11-26-2019, 12:33 AM
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It looks like an original tag. The "RK" code designates that particular master cylinder to be installed on the car at the factory per the build order.
Very cool! |
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#3
11-26-2019, 12:48 AM
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What a trip how a sticker can last that long !! Now what’s the RK stand for ?
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#4
11-26-2019, 01:22 AM
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If they don't get wet or blasted with a hose over the years, they can survive. Basically, its just a part code tag for that particular part to go on your car per the build.
Here's some photos of the casting date and part number of the master cyl on my car. Take photos of yours from underneath the master cyl and see if its the same number and dated correct for your car. |
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#5
11-27-2019, 07:24 PM
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That honestly looks like the original master cylinder, which is amazing. I think I've replaced the master cylinder 3 times on my own '67 in the past 36 years! Amazing for one to last 52+ years!
__________________
Jeff 
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#6
11-27-2019, 07:35 PM
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It is the original. The part number is cast under neath . The cast date code is very hard to read though...crappy sand casting . The only major component I’ve found not original is the waterpump ....
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#7
11-27-2019, 09:32 PM
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thats crazy ....
just the other day it happened to me too on a 69 I am parting out ... pulled the manual brake master thinkin it wasnt an original because it had no bleeders.. and it had a tag also ... yup its an original .... hmmmmmmmm a 70 manual drum brake next to it with bleeders but a different part number,, it must be the pull code ,,, and on our build sheets .... mine was petrified by a rats nest of grass and seeds .... Last edited by Scott Thelander; 11-27-2019 at 09:52 PM. |
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#8
11-27-2019, 09:48 PM
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Wow ! That’s cool . That’s the same looking tag as on my master cylinder!!
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#9
11-27-2019, 09:59 PM
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Quote:
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#10
11-27-2019, 10:29 PM
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hmmm
11 D ...
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#11
11-30-2019, 11:13 AM
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Quote:
On a “Power Brake” unit, the Booster is mounted at a slight uphill which causes the M/C to also be the same, consequently trapping air. Therefore the need for bleeders on a PB car. Chris.
__________________
1) 65 GTO Survivor. 43,440 Original Miles. “Factory” Mayfair Maize Paint with Black Pinstripe, Black Cordova Top, Black Interior, OEM Numbers Matching Powertrain. Purchased from the Lady that bought it new. Baltimore Built (11A). 2) 66 GTO Survivor. “Factory” Cameo Ivory Paint with Red Pinstripe, Red Interior. OEM Numbers Matching Powertrain. Tri-Power (OEM Vacuum Linkage), Automatic "YR" code (1759 Produced). Fremont Built (01B), with the Rare 614 Option. |
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