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Canadian Poncho Homepage -> Canadian Poncho -> 65-70 Full Size Power Train Tech Forum -> Rear axle 67 Parisienne
Post Info TOPIC: Rear axle 67 Parisienne
SGS Welding


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Rear axle 67 Parisienne
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Where do I find the rpo code on this car? And what code would tell me I have a posi? Or a an open( I think that's what there called)

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67 Parisienne Convertible 

67 Parisienne 2 Door Hardtop 
4SPEED427


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On the front of the passenger side axle tube. You may have to wire brush it real hard to find it. Copy down everything you can find, and part of that will bet the 2 digit letter code needed. If you post that here, I can help.

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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
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SGS Welding


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Ok It's in storage right now So I can't do that at this time.

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67 Parisienne Convertible 

67 Parisienne 2 Door Hardtop 
SGS Welding


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I thought I seen some rpo codes on the drivers side firewall? Also on a piece of paper inside the back seat? My guess the axle is open With a 2.73 Since I have a powerful glide Thinking 3.40ish with a posi Or Detroit locker might make the car feel a little more sporty? Any inputs?

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67 Parisienne Convertible 

67 Parisienne 2 Door Hardtop 
4SPEED427


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I don't think I've ever seen axle codes on the firewall. I think that typically, stuff written there involved changes required to the body to install an option, but I'm not positive.

If you can find the paper in the seat, it may be on there but I think it would be on there only if it has an optional axle ratio. Is it a 10 bolt or 12? You are right, 2.73 is super common in the 12 bolt cars. 283 car?

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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
SGS Welding


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12 bolt yes 327 powerfulglide Convertible 14 inch tires Steering Column shift Bench seats Optional rear speaker Am radio

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67 Parisienne Convertible 

67 Parisienne 2 Door Hardtop 
427carl


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SGS Welding wrote:

Where do I find the rpo code on this car? And what code would tell me I have a posi? Or a an open( I think that's what there called)

        Would your documentation from George at  GM  not show whether it was equipped with Positive traction (originally)?

 



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4SPEED427


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Forgot to mention, G80 is the posi code.

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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles 

1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
427carl


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Tomorrow will be warm    

go to storage    

fire it up     pull outside    

Hold brake and push gas pedal to floor    release brake quickly  

If only one tire spins...

It may not be a Posi 



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StriperSS


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If you can't see any numbers on the tube. Since you've got the rear end off the ground, chalk the bottom of the tire on the inside, and make a mark on the bottom of the driveshaft. Turn the tire one complete revolution snd count how many times the driveshaft turns. 2 1/2 turns = 2:56. Just over 3 turns = 3:08. You het the idea!

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