CRG Discussion Forum
Camaro Research Group Discussion => Originality => Topic started by: Mark on May 27, 2014, 04:42:16 PM
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Anyone have a Z28 with a 6K redline/7K top of scale tach in an 06a built norwood Z? I know they should have been 6K/8K by then, trying to see if there was a shortage of the 8K versions in mid to late June, or if a tach was just swapped with an incorrect one.
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My 06A 653104 has a 6x8 tach.
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I don't have any way of determining if my 06A came from the factory this way but it had a 5500 redline with 7000 rpm limit tach when I bought the car over 30 years ago. Last year I changed it out for a 6x8 reproduction. Also last year I pulled the engine & trans to fix a rear main seal leak and to do some cleanup under the hood and documented every part & part number and found most everything to be the correct part number and date code. So my car could very well have left the factory with an incorrect tach. No way of knowing for sure.
Larry
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My 09D [Sept 1969 late] survivor Z28 has a 6000/7000 and I have also verfied from the original owner that it was never changed. It also has a Jan 20 69 dated 1111480.
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My 09D [Sept 1969 late] survivor Z28 has a 6000/7000 and I have also verfied from the original owner that it was never changed. It also has a Jan 20 69 dated 1111480.
Doesn't your tach have a date stamped on the back?? What is that date?
(My 09C Z28 has a 6000/8000 tach and has the date on the back of it...)
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my 03 D has a 6 X 8 tach. My buddies 01 C has a 6 X 7 tach
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My Norwood 06A ( June 18) has a 6000/8000. owned the car since 74.
Just recently restored a 02B LA Z28, and it had the same 6000/8000.
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Pics of the 6-8K I sold (stupidly) some time back. January '69 dated, it would have been perfect for my (non-gauge) X77, but monetary needs took precedence -
Regards
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My 9A has a 6000/7000 .
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Pics of the 6-8K I sold (stupidly) some time back. January '69 dated
Curious how you decode that date? Looks like '189', or is that ink stamp not the date code?
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The Julian date and the last digit of the year I think if I remember right. so the 18th day of 1969 Jan 18.
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The Julian date and the last digit of the year I think if I remember right. so the 18th day of 1969 Jan 18.
Thanks Brian, makes sense. So tach date codes would be either 3-digits (up to 2nd week in April or so), then 4-digits.
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My 9A has a 6000/7000 .
9A of 68 or 69?
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My 9A has a 6000/7000 .
9A of 68 or 69?
1969
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My 9A has a 6000/7000 .
9A of 68 or 69?
1969
Steve,
Do you know the date on the back of it? I thought they had switched to the 6000/8000 well before Sept??
My 09C car has an 8K tach; date on the back of it is '197 69' which corresponds to July 16, 1969. This is consistent with most other parts on my car, except for a few dated almost immediately in front of the engine assembly... see photos.
ps. I also noticed there's a label on the instrument cluster itself with large NN code (any idea what this is for?).. along with a speedo pn, and tach (with hand note - illegible unless it might be '8')??
Gary
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Interesting that the ink date code stamp is 3 digits (189) on the first tach pictured, and 5 digits (197 69) on Gary's tach. Is that a format change during production, or is the first one possibly missing the '69'?
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That is interesting.... Steve's 7K tach from his late 09A car had a julian date of 189 (no year?)... which is different than my 8K tach on my 09C car which has a date of 197 (69).. His tach was either built 8 days before mine, but with different redline and different date coding, OR was it left over from July of '68?? and used in Sept '69? Is that possible? OR were there more than a single vendor involved for these tachs?? I cannot believe the same vendor was building two different designs to the same spec at the same time... such a company would not be in business very long...
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My 9A has a 6000/7000 .
.f 68 or 69?
1969
Steve,
Do you know the date on the back of it? I thought they had switched to the 6000/8000 well before Sept??
My 09C car has an 8K tach; date on the back of it is '197 69' which corresponds to July 16, 1969. This is consistent with most other parts on my car, except for a few dated almost immediately in front of the engine assembly... see photos.
ps. I also noticed there's a label on the instrument cluster itself with large NN code (any idea what this is for?).. along with a speedo pn, and tach (with hand note - illegible unless it might be '8')??
Gary
My 9A has a 6000/7000 .
9A of 68 or 69?
1969
Steve,
Do you know the date on the back of it? I thought they had switched to the 6000/8000 well before Sept??
My 09C car has an 8K tach; date on the back of it is '197 69' which corresponds to July 16, 1969. This is consistent with most other parts on my car, except for a few dated almost immediately in front of the engine assembly... see photos.
ps. I also noticed there's a label on the instrument cluster itself with large NN code (any idea what this is for?).. along with a speedo pn, and tach (with hand note - illegible unless it might be '8')??
Gary
Gary, I've never looked for the date code on the tach. I know the tach is "technically" incorrect, but I'm not sure why or how it happened. If the date code doesn't correlate to the build date of the car then it may have been replaced at some point. I believe the 7k was in the car when I purchased it because I vaguely remember comparing it to my friends other Z's in the late 70's. I'll get the date and post it later...
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Paceme (Steve) wrote:
Gary, I've never looked for the date code on the tach. I know the tach is "technically" incorrect, but I'm not sure why or how it happened. If the date code doesn't correlate to the build date of the car then it may have been replaced at some point. I believe the 7k was in the car when I purchased it because I vaguely remember comparing it to my friends other Z's in the late 70's. I'll get the date and post it later...
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Steve,
It's going to be difficult to see I think when the car is assembled.. mine is apart, so it's easy for me to check such things. Maybe (if you're limber/flexible), it might be viewable from below the instrument panel? but if you can't .. don't worry it until it's easier.