Author Topic: 69 distribution block and metering valve  (Read 4885 times)

Terry69RSZ28

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69 distribution block and metering valve
« on: December 18, 2016, 07:52:48 PM »
Hi,
Are there any numbers or date codes on the distribution block and metering valve? I know there is a date code on the rear proportioning valve. Thanks for your expertise!
Terry

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Re: 69 distribution block and metering valve
« Reply #1 on: December 18, 2016, 11:23:15 PM »
The factory distribution block has a date code...    Y ddd     (for year and julian date).

There are also some numerals/codes on the metering block, but I was unable to decode mine, so I can't tell you what they mean.  Mine had an '18' or an '81' on it??
« Last Edit: December 18, 2016, 11:47:21 PM by 69Z28-RS »
09C 69Z28-RS, 72 B 720 cowl console rosewood tint
69 Corvette, '60 Corvette, '72 Corvette
90 ZR1 red/red #246, 90 ZR1 white/gray #2466
72 El Camino, '55-'56-'57 Nomads, '55-'57 B/A Sedan

Terry69RSZ28

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Re: 69 distribution block and metering valve
« Reply #2 on: December 19, 2016, 01:55:48 AM »
Hi Gary,
Thanks for looking. Hopefully, guys with original cars can shed some additional knowledge.
Terry

Terry69RSZ28

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Re: 69 distribution block and metering valve
« Reply #3 on: December 22, 2016, 05:42:59 PM »
Hi,
Anyone know for sure what numbers and date codes are on these parts? Any help would be greatly appreciated!

69Z28-RS

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Re: 69 distribution block and metering valve
« Reply #4 on: December 22, 2016, 05:53:32 PM »
:)   That was a 'for sure' response on the dating on (late) 69 Distribution Block, and a for sure on my late '69 Metering Valve (but not sure what the code means)... :)
09C 69Z28-RS, 72 B 720 cowl console rosewood tint
69 Corvette, '60 Corvette, '72 Corvette
90 ZR1 red/red #246, 90 ZR1 white/gray #2466
72 El Camino, '55-'56-'57 Nomads, '55-'57 B/A Sedan

Terry69RSZ28

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Re: 69 distribution block and metering valve
« Reply #5 on: December 22, 2016, 07:23:56 PM »
Gary,
Thanks for clarifying your response. The distribution block explanation makes sense. I would like to know what the number on the metering valve means. I have seen these with the same numbers and dating like the distribution block ( example: 9  255 ) and others with just a number like your 18 or 81... :)
Terry

HawkX66

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Re: 69 distribution block and metering valve
« Reply #6 on: December 27, 2016, 01:40:40 PM »
Here is my late date stamp. Build date a few days away from Gary's.



Dave
69 SS396 X66 L34 M21 BS
Z23 711 U17 Hugger Orange
Semper Fi! USMC 93-02

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Re: 69 distribution block and metering valve
« Reply #7 on: December 27, 2016, 03:19:39 PM »
Dave,

Did your metering valve have any numbers cast or stamped into it??
09C 69Z28-RS, 72 B 720 cowl console rosewood tint
69 Corvette, '60 Corvette, '72 Corvette
90 ZR1 red/red #246, 90 ZR1 white/gray #2466
72 El Camino, '55-'56-'57 Nomads, '55-'57 B/A Sedan

HawkX66

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Re: 69 distribution block and metering valve
« Reply #8 on: December 28, 2016, 02:41:57 PM »
Dave,

Did your metering valve have any numbers cast or stamped into it??
That's one I didn't get many pics of when I R&Rd it. Would I be able to see them installed? Do you remember where your cast/stamps were?
Dave
69 SS396 X66 L34 M21 BS
Z23 711 U17 Hugger Orange
Semper Fi! USMC 93-02

Terry69RSZ28

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Re: 69 distribution block and metering valve
« Reply #9 on: December 28, 2016, 04:35:53 PM »
Hi Dave,
I don't know which cast/number application is correct for 69 but I have seen metering valves with just a number ( for example, 25) stamped on the flat surface where the bracket attaches with no other visible numbers anywhere else. I would like to know what this means. Other valves had 2226261 stamped on the side plus a Julian date (for example, 9 255 ) stamped near where the brake line attaches.
Terry

HawkX66

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Re: 69 distribution block and metering valve
« Reply #10 on: December 28, 2016, 05:16:05 PM »
These are the best pics I could come up with of mine right now. I'll take a look at home when I get a chance. I usually take a ton of pics of anything I R&R so I'm surprised I don't have anything else handy. I might not have noticed a date stamp otherwise I'm sure I would have put it on my Photobucket acct. It looks like there could be a number in the top right of the first pic.
If the number would be under the bracket, it's easy enough for me to pull it off and take a look.







Dave
69 SS396 X66 L34 M21 BS
Z23 711 U17 Hugger Orange
Semper Fi! USMC 93-02

69Z28-RS

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Re: 69 distribution block and metering valve
« Reply #11 on: December 29, 2016, 03:29:55 AM »
I don't think I posted a photo showing the '81' I was speaking of..  when re examining the photos, I also noticed the '00' similar to yours.

09C 69Z28-RS, 72 B 720 cowl console rosewood tint
69 Corvette, '60 Corvette, '72 Corvette
90 ZR1 red/red #246, 90 ZR1 white/gray #2466
72 El Camino, '55-'56-'57 Nomads, '55-'57 B/A Sedan

Terry69RSZ28

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Re: 69 distribution block and metering valve
« Reply #12 on: December 29, 2016, 04:26:39 AM »
Hi Gary and Dave,
It will be interesting to see if Dave's metering valve is close to your number 81 and what it means in terms of build dates. I don't think 81 is a Julian date because it translates to March 22, 1969 which is 6 months away...I hope we can clarify what these numbers mean. The distribution blocks on your cars are July 18 and July 21 which makes sense...
Terry

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Re: 69 distribution block and metering valve
« Reply #13 on: December 29, 2016, 04:41:50 AM »
I'm unaware of any prior attempt to 'decode' or identify the metering blocks... but I've only been on CRG for 8-9 yrs...?
09C 69Z28-RS, 72 B 720 cowl console rosewood tint
69 Corvette, '60 Corvette, '72 Corvette
90 ZR1 red/red #246, 90 ZR1 white/gray #2466
72 El Camino, '55-'56-'57 Nomads, '55-'57 B/A Sedan

HawkX66

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Re: 69 distribution block and metering valve
« Reply #14 on: December 29, 2016, 01:39:25 PM »
I won't be able to get to this until this weekend I'm sure, but in the mean time I zoomed in on my pic and adjusted contrast etc. In the area where Gary shows the 81, mine looks to have a 3. If I were a betting man I'd say that three is probably an 8 with a 1 next to it. If it is a three, it's probably 83.

 
Dave
69 SS396 X66 L34 M21 BS
Z23 711 U17 Hugger Orange
Semper Fi! USMC 93-02

 

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