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69 distribution block and metering valve

Started by Terry69RSZ28, December 18, 2016, 02:52:48 PM

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Terry69RSZ28

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

69Z28-RS

#1
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??
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

Hi Gary,
Thanks for looking. Hopefully, guys with original cars can shed some additional knowledge.
Terry

Terry69RSZ28

Hi,
Anyone know for sure what numbers and date codes are on these parts? Any help would be greatly appreciated!

69Z28-RS

:)   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

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

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!

69Z28-RS

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

Quote from: 69Z28-RS on December 27, 2016, 10:19:39 AM
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!

Terry69RSZ28

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

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!

69Z28-RS

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

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

69Z28-RS

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

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!