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Author Topic: original muncie 4 speed numbers  (Read 4697 times)
tinman75
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« on: July 14, 2007, 05:32:07 AM »

I found a original 1968 rs/ss camaro that is been sitting for a long time and is 90% original and am getting ready to restore it. All the numbers match on the partial vin for the motor with a date of 1019MS, and cowl tag is 10D.  The rear end has a BS 1019 #.  Now the question, the casting on the munce trans is for a 67 but the stamped # on it is P1021, can this still be the original trans it looks to me like trans has no reason not to be original.
Thanks
« Last Edit: July 14, 2007, 05:37:50 AM by tinman75 » Logged
Jerry@CHP
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« Reply #1 on: July 14, 2007, 10:31:26 AM »

That's not original to that car.  This is an older assembly stamping used in 64-66 vintage Muncie, with "010" case.  P1019 designates Oct 19th assembly.

Jerry
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tinman75
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« Reply #2 on: July 14, 2007, 12:11:04 PM »

So it is just a coinsiedence that the trans is the same month and week as the rest of the drivetrain,  you dont think they could have just used a 67 camaro munci casing for a 68 camaro. The casing is casted 3885010 and the vertical stamp is P1021.
« Last Edit: July 14, 2007, 12:31:02 PM by tinman75 » Logged
Jerry@CHP
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« Reply #3 on: July 15, 2007, 03:34:12 PM »

Different Muncie procedure started in the 1967 model year.  That is why this trans in not correct.  In 1967 P7A20 is an example, P Muncie, 7 model year, A is month and 20 is day of month.

Jerry 
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tinman75
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« Reply #4 on: July 20, 2007, 05:59:23 PM »

so if I was to look for a close to original fit muncie trans, with the #'s from the car, motor and rear end all being in the third week in the month of oct. I know now the casting# should be 3925660 but what would be the stamped # to be close to exact trans that went in the car?
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Jerry@CHP
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« Reply #5 on: July 21, 2007, 03:22:59 PM »

I would like to have something like P8R03, 04, 05.......etc.  Early Oct of 1967 or late Sept for an early 1968 Z28 Camaro.

Jerry
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tinman75
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« Reply #6 on: July 23, 2007, 05:49:41 PM »

Would  p8r11 work or to late?
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Jerry@CHP
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« Reply #7 on: July 24, 2007, 06:32:21 AM »

P8R11 is fine, and in some cases, the closer the better.

Jerry
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ZZ28
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« Reply #8 on: July 25, 2007, 01:56:18 PM »

I just checked the numbers on my 68 Camaro transmission.  The maincase casting is 3925660.  Can someone help me decode it?   The stamped # is P0M08A ?   Any help would be greatly appreaciated.   My guess is it's a Muncie M20, 4-speed, August 8, 1968


Let me know,

Patrick
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Ed Bertrand
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« Reply #9 on: July 25, 2007, 01:59:01 PM »

Pat,

It's an M20 assembled on August 8th, 1969 for use in the 1970 model year. Post the VIN and we can tell you what it originally came out of.

Ed
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ZZ28
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« Reply #10 on: July 25, 2007, 02:00:38 PM »

I'm not sure if it is a VIN but this number is stamped directly above it..   101515705
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Ed Bertrand
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« Reply #11 on: July 25, 2007, 02:04:18 PM »

Pat, check that second 1 again. It should be a letter.

However, from what you've posted, it came from a 1970 Chevrolet and probably came from a Los Angeles built Camaro. I say that because this was the only Chevrolet model in 1970 that started at 500001 for the VIN sequence, and the second 1 is probabaly an L.

Ed
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ZZ28
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« Reply #12 on: July 25, 2007, 02:17:11 PM »

I just went down and checked it again.  The secone 1 is defenitely a 1 which matches the other 1's on the vin.
I looked at it every way to see if I could make an L out of it but it doesn't appear to have any letters.
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Ed Bertrand
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« Reply #13 on: July 25, 2007, 03:09:46 PM »

Interesting. Can you post a picture?

Ed
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ZZ28
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« Reply #14 on: July 25, 2007, 04:14:47 PM »




I can't figure out how to add an image.

hopefully you can see it at this link.

« Last Edit: July 31, 2007, 08:36:54 PM by 23westwood » Logged
Ed Bertrand
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« Reply #15 on: July 25, 2007, 05:09:00 PM »

Yes, it worked Pat.

Looks like they used a 1 instead of an L for some reason. I don't know much about 2nd gen Camaro's, so this "may" be normal?

Ed
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