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Author Topic: month code of F muncie?  (Read 1476 times)
BillOhio
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« on: November 26, 2012, 11:35:55 AM »

Anyone ever see f used for a june 69 muncie?
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1969 Z28, Burgandy, numbers matching, 12,900 miles
1967 Plymouth GTX Hemi, 4 speed, dana
BillOhio
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« Reply #1 on: November 28, 2012, 12:36:57 PM »

This is the date in question. pretty sure we know its not right but wanted to make sure no one else has seen one
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1969 Z28, Burgandy, numbers matching, 12,900 miles
1967 Plymouth GTX Hemi, 4 speed, dana
69Z28-RS
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« Reply #2 on: November 28, 2012, 09:18:29 PM »

The photo isn't good.   Can you provide a better, wider FOV shot?
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Gary W.  /  69Z28-RS, 72 B 720 cowl console rosewood all tint
69 Corvette convertible, silver/black 350 hp,
60 Corvette white/red, 72 Corvette coupe (2), 
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BillOhio
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« Reply #3 on: November 28, 2012, 10:24:11 PM »

I don't own the car so trying not to show the vin but did make it wider
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1969 Z28, Burgandy, numbers matching, 12,900 miles
1967 Plymouth GTX Hemi, 4 speed, dana
KurtS
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« Reply #4 on: November 29, 2012, 08:26:12 PM »

No question in my mind it's a restamp.....
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Kurt S
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« Reply #5 on: November 30, 2012, 12:46:56 AM »

I have never understood why it's stated that 'F' and 'G' were skipped in the month codes (during 1969?) or all years?  WHY would they do this?      ie. P9H30A is from what date?   
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Gary W.  /  69Z28-RS, 72 B 720 cowl console rosewood all tint
69 Corvette convertible, silver/black 350 hp,
60 Corvette white/red, 72 Corvette coupe (2), 
90 ZR1 red/red #246, 90 ZR1 white/gray #2466
72 El Camino, '55 Nomad, '57 Nomad, '57 B/A Sedan
BillOhio
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« Reply #6 on: November 30, 2012, 08:15:10 AM »

This should be an H.
Kurt, would an over the counter transmission not have any stamps and that's where this started or did something get covered up to do this
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1969 Z28, Burgandy, numbers matching, 12,900 miles
1967 Plymouth GTX Hemi, 4 speed, dana
tmodel66
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« Reply #7 on: November 30, 2012, 08:34:35 AM »

I have never understood why it's stated that 'F' and 'G' were skipped in the month codes (during 1969?) or all years?  WHY would they do this?      ie. P9H30A is from what date?   

June 30th of '69 M 20
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Daniel  
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paceme
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« Reply #8 on: November 30, 2012, 10:51:31 AM »

This should be an H.
Kurt, would an over the counter transmission not have any stamps and that's where this started or did something get covered up to do this

I've seen restamps done on replacemment cases(they were never stamped), some plants stamped the trans on top by the ears so the side is still unstamped and the tops are ground down. Also remember aluminum is very soft and easy to work with so some cases are ground down and refinished with sand casting type finish and restamped.  I would look at the whole trans to see what method was used. A big oops on the use of the F code. Unfortunately this is all too common.
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Steve Shauger
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« Reply #9 on: November 30, 2012, 04:52:46 PM »

Steve,

So you can you shed any light on WHY '69 Muncies didn't get the F or G codes?   
....    and instead they skipped those letters for some reason?   I've heard they did that, but never have heard a reason....
 
Was this true for ALL Muncies in general, regardless of year?  or only for '69?
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Gary W.  /  69Z28-RS, 72 B 720 cowl console rosewood all tint
69 Corvette convertible, silver/black 350 hp,
60 Corvette white/red, 72 Corvette coupe (2), 
90 ZR1 red/red #246, 90 ZR1 white/gray #2466
72 El Camino, '55 Nomad, '57 Nomad, '57 B/A Sedan
KurtS
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« Reply #10 on: November 30, 2012, 05:38:47 PM »

This coding was used for all GM trans (except TH400's) for a number of years. No idea why. There are other oblique date code formats out there.
http://www.camaros.org/drivetrain.shtml#trans
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Kurt S
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« Reply #11 on: December 01, 2012, 01:55:04 AM »

Crazy stuff for sure....  coding guy must have been stoned..  Smiley
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Gary W.  /  69Z28-RS, 72 B 720 cowl console rosewood all tint
69 Corvette convertible, silver/black 350 hp,
60 Corvette white/red, 72 Corvette coupe (2), 
90 ZR1 red/red #246, 90 ZR1 white/gray #2466
72 El Camino, '55 Nomad, '57 Nomad, '57 B/A Sedan
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