Author Topic: 5460346 Master Cylinder  (Read 29187 times)

cook_dw

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Re: 5460346 Master Cylinder
« Reply #15 on: January 20, 2015, 03:12:05 PM »
Nope sorry.
1968 - Rallye Green L78 unrestored
1968 - Matador Red Z28 - Currently under preservation

If you have solid lifter 1967 - 1969 Camaro please contact me as I would like to add your car's info to my database

JohnZ

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Re: 5460346 Master Cylinder
« Reply #16 on: January 20, 2015, 04:08:00 PM »
The "D 1" is the pattern number at the Defiance (Ohio) GM foundry - that foundry logo is to the left of the "D".
'69 Z/28
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bc69

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Re: 5460346 Master Cylinder
« Reply #17 on: January 20, 2015, 04:40:10 PM »
John was there any connection to D 1,2,3,4 in time frames from Ohio? Just curious about the number. Most want to tie it to date codes in some way.
Brad
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JohnZ

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Re: 5460346 Master Cylinder
« Reply #18 on: January 23, 2015, 05:25:38 PM »
John was there any connection to D 1,2,3,4 in time frames from Ohio? Just curious about the number. Most want to tie it to date codes in some way.

Nope. It's not a date code - it's foundry pattern number identification.
'69 Z/28
Fathom Green
CRG

bc69

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Re: 5460346 Master Cylinder
« Reply #19 on: February 18, 2015, 03:00:56 AM »
Does this look correct?
Brad
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bc69

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Re: 5460346 Master Cylinder
« Reply #20 on: February 18, 2015, 08:32:15 PM »
Opinions on this stamp. Original?
Brad
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Mike S

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Re: 5460346 Master Cylinder
« Reply #21 on: February 18, 2015, 10:26:59 PM »
Hi Brad,
    Normally the pad where the code is stamped has a more flatter machined look from some of the ones I have seen in the field. But that is not to say your example hasn't had some surface oxidation to cause the rough texture. I have two WT's on my '67's I can look at but from memory the fonts on yours look legit.

Mike
67 04B LOS SS/RS L35 Hardtop - Original w/UOIT
67 05B NOR SS/RS L35 Convertible - Restored

bc69

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Re: 5460346 Master Cylinder
« Reply #22 on: February 18, 2015, 10:33:30 PM »
Thanks mike if you can post or pm me pic it would be great.
Brad
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HawkX66

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Re: 5460346 Master Cylinder
« Reply #23 on: February 19, 2015, 12:48:14 PM »
Hi Brad,
    Normally the pad where the code is stamped has a more flatter machined look from some of the ones I have seen in the field. But that is not to say your example hasn't had some surface oxidation to cause the rough texture. I have two WT's on my '67's I can look at but from memory the fonts on yours look legit.

Mike
I've seen a lot with the machined look also, but my original 309 US looks exactly like his surface. My stamping is barely legible though.
Dave
69 SS396 X66 L34 M21 BS
Z23 711 U17 Hugger Orange
Semper Fi! USMC 93-02

Stingr69

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Re: 5460346 Master Cylinder
« Reply #24 on: February 19, 2015, 04:39:43 PM »
Pad looks aged as if it was rusted.  No expert here, but that stamp looks to be a little too fresh and crisp on an otherwise OLD looking surface . JMO

Mike S

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Re: 5460346 Master Cylinder
« Reply #25 on: February 19, 2015, 11:20:49 PM »
 Here are the two 'WT' master cylinders on my cars. Both are original to the car with the LOS unit being unrestored.
I looked all over and cannot find any Julian date besides the part number and foundry cast info.
The 05B NOR stamp has a light 'W' stamped compared to the LOS unit.

Mike
67 04B LOS SS/RS L35 Hardtop - Original w/UOIT
67 05B NOR SS/RS L35 Convertible - Restored

bc69

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Re: 5460346 Master Cylinder
« Reply #26 on: February 19, 2015, 11:28:36 PM »
Mike I have seen both more than once. What's date on Los car.
I know of a early Los that has stamp like your nor .
Brad
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Mike S

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Re: 5460346 Master Cylinder
« Reply #27 on: February 19, 2015, 11:43:02 PM »
Hi Brad,

  The 04B LOS UOIT lists a date of April 13, 1967
For the 05B NOR car the NCRS document lists the date of May 12, 1967

Here is a close up of the NOR WT. The machining is not flat so the W isn't as crisp.


Thanks,
Mike
67 04B LOS SS/RS L35 Hardtop - Original w/UOIT
67 05B NOR SS/RS L35 Convertible - Restored

bc69

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Re: 5460346 Master Cylinder
« Reply #28 on: February 19, 2015, 11:52:39 PM »
I was looking at stamps and looked over the one date code. Both cars are so close. But we all know there was a lot higher production numbers were higher in nor.
Well I'm still in the market for one for my 7. This all helps me with the hunt for orig.
There are a lot of faked ones out there.
Brad
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Mike S

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Re: 5460346 Master Cylinder
« Reply #29 on: February 20, 2015, 12:00:23 AM »
The NOR WT characters looks like the one you posted. Where is that from?

Mike
67 04B LOS SS/RS L35 Hardtop - Original w/UOIT
67 05B NOR SS/RS L35 Convertible - Restored

 

anything