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Author Topic: ss 350 4spd options  (Read 3220 times)
mossyoak1964
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« on: April 14, 2012, 07:51:09 PM »

I am new to this site and have some q's about 4spd options for the 1967 ss 350. My car is all number matching with protect-o-plate. The Rear end code that matches the protect-o-plate is PL0919G
PL=4-speed close ratio 3.55:1 rear gear. I thought the close ratio Muncies where installed in z's and big blocks? This car is a L48 295hp 350 Cal. built with speed warning indicator and heater delete. Has anyone documented a m-21 in a SS-350? Thanks
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Kevin,
1967 L 48 SS 350 4spd
Marina Blue/White
tmodel66
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« Reply #1 on: April 14, 2012, 07:57:16 PM »

PL has nothing to do with the transmission. That is the rear axle code only. What does your cowl tag show for the transmission code?
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Daniel  
'69 SS 350/4 speed  Fathom Green--POP
IZRSSS
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« Reply #2 on: April 14, 2012, 08:35:05 PM »

"I am new to this site and have some q's about 4spd options for the 1967 ss 350. My car is all number matching with protect-o-plate. The Rear end code that matches the protect-o-plate is PL0919G
Daniel is correct. PL is only used to identify the axle type. In your case a 3.55:1, 12 bolt, Non Posi. Built Sept. 19, 1st Shift".

"I thought the close ratio Muncies where installed in z's and big blocks"?
That's correct. The M21 was for Z28's, L34's & L78's.
Can you post pics of the POP, the cowl, the Vin #, and the engine pad? If you have trouble posting pics send them to my email address & I'll try to post them for you.

BTW...welcome!
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x77-69z28
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« Reply #3 on: April 14, 2012, 10:07:53 PM »

THE l48'S CAME WITH AN M-20
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69 x77 burnished brown, 711 int 05A bought in 78
67 rs/ss 350 butternut yellow 4 speed 2nd owner
70 Z28 forrest green, green int, M40, bk vinyl roof PROJECT
99 SS hugger orange 6spd NO TTOPS bought new 1 of 54
11 cts-v blk diamond  edition wagon 556hp sick!
mossyoak1964
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« Reply #4 on: April 14, 2012, 10:29:46 PM »

The Protect-O-Plate has P7R04 listed for the transmission. I will try to take some pics of the POP and post. I got the information regarding the PL being a M-21 from chevrolet by the numbers. All numbers that I have followed up with have checked out. The RPM change between gears when I drive indicates close ratio. Thanks

Vin: 124377L112XXX
Deluxe Parchment
Marina Blue with white stripe
Block V1025MT 3892657
Cowl tag
Option 2 4spd, console, rear antenna, rear speaker
Option 3 z23/z21
Option 4 SS 350
Option 5 Deluxe seat belts
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Kevin,
1967 L 48 SS 350 4spd
Marina Blue/White
mossyoak1964
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« Reply #5 on: April 14, 2012, 10:44:00 PM »

Cowl tag:
10D                                                      X119
67-12637  Los     4347
797-Z             F-F

 W  SLGSR        3SDK
 4P  5Y

Protect-O-Plate:
K         FF                      R
V1025MT     PL0919G     K
P7R04           4   4
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Kevin,
1967 L 48 SS 350 4spd
Marina Blue/White
KurtS
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« Reply #6 on: April 14, 2012, 11:18:07 PM »

No idea why CBTN's has that 'close ratio' note for that axle. It's incorrect.

You car has traveled some in the past few years - CA, KY, OH, MO.
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Kurt S
CRG
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« Reply #7 on: April 14, 2012, 11:36:12 PM »

Looks like its already in the CRG data base but here you go Kevin;
« Last Edit: April 15, 2012, 12:20:54 AM by IZRSSS » Logged
IZRSSS
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« Reply #8 on: April 14, 2012, 11:37:35 PM »

...
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mossyoak1964
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« Reply #9 on: April 15, 2012, 12:04:54 AM »

Looks like its already in the CRG data base but here you go Kevin;

Engine & Tran  Huh Huh Huh  Sure hope I'm wrong! Need a pic of the engine pad to make sure. Maybe it's in the data base. But the number you gave doesn't match. And of course, neither does the M21.
Thanks for posting the pics!
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Kevin,
1967 L 48 SS 350 4spd
Marina Blue/White
IZRSSS
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« Reply #10 on: April 15, 2012, 12:24:29 AM »

Your welcome Kevin.

BTW...don't put any meat into that quote of mine. I got confused with the mention of the M21 for an L48. I should have paid closer attention to what Daniel wrote! I missed your PL=...

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mossyoak1964
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« Reply #11 on: April 15, 2012, 12:48:58 AM »

Your welcome Kevin.

BTW...don't put any meat into that quote of mine. I got confused with the mention of the M21 for an L48. I should have paid closer attention to what Daniel wrote! I missed your PL=...


Marty,
I sent you a pic. of the engine pad. These #'s seem to match the POP, but I realize that people have been building frauds and claiming #'s match for years. I have verified all the numbers on the car and they match the POP to Vin #. Hopefully its the real deal. Thanks
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Kevin,
1967 L 48 SS 350 4spd
Marina Blue/White
mossyoak1964
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« Reply #12 on: April 15, 2012, 01:03:36 AM »

No idea why CBTN's has that 'close ratio' note for that axle. It's incorrect.

You car has traveled some in the past few years - CA, KY, OH, MO.
Note for reference: CBTN's 1965-69 with red 68 396 conv. on cover page 309 under 1967 camaro rear axle codes
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Kevin,
1967 L 48 SS 350 4spd
Marina Blue/White
IZRSSS
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« Reply #13 on: April 15, 2012, 09:06:37 AM »

Kevin - So far everything checks out. The pad looks great, including the cowl. See if you can get me a straight on shot of your POP and I'll brake it down for you as well. A pic of the partial vin on the tran would be nice also.
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IZRSSS
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« Reply #14 on: April 15, 2012, 09:08:17 AM »

BTW, gorgeous car!
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