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Canadian Poncho Homepage -> Canadian Poncho -> 65-70 Full Size Power Train Tech Forum -> Identifying some gear sets
Post Info TOPIC: Identifying some gear sets
66 Grande guy


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Identifying some gear sets
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I bought 5 or 6 NOS GM rear gear sets at an auction a few years ago. Most of them are still in the GM boxes.  If I post the numbers I can find on them can any of you guys tell me what they are for?  The ratios I can figure just by counting teeth but the applications I don't know.

Once I get some info I can decide to toss or sell.



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ken from northern Alberta

38 Willys pickup electric

39 Buick (327 with 700 r4)

66 Beaumont 4 door hardtop

69 Chevy CST pickup

1976 GMC 23'  motorhome

1994 Impala SS 

1968 Citroen Fourgonnette (Yeah Carl!)
4SPEED427


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I don't know anyone who might be able to help you with that Ken..............

Post away!

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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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4SPEED427


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Do I get first crack at buying them if I can tell you what it fits????!!!

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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)
66 Grande guy


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Yes!



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ken from northern Alberta

38 Willys pickup electric

39 Buick (327 with 700 r4)

66 Beaumont 4 door hardtop

69 Chevy CST pickup

1976 GMC 23'  motorhome

1994 Impala SS 

1968 Citroen Fourgonnette (Yeah Carl!)
4SPEED427


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I will be here likely another 1/2 hour or so. If you can post, I will see what I can do. Otherwise it would be tomorrow some time Ken.

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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)
66 Grande guy


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It would have to be tomorrow as I'd have to literally burrow through about 20 cords of birch firewood to get at them.  (Thats a whole other story) 

 



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ken from northern Alberta

38 Willys pickup electric

39 Buick (327 with 700 r4)

66 Beaumont 4 door hardtop

69 Chevy CST pickup

1976 GMC 23'  motorhome

1994 Impala SS 

1968 Citroen Fourgonnette (Yeah Carl!)
4SPEED427


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Posts: 50206
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Ok, I can wait!

Just let me know what you have for numbers and we'll see what we can do. If you have ANY idea as to what any of them is, just indicate it with the number as I will likely just be scouring the numerical index in various catalogues to see what they fit.

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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)
Nov 18 to Dec 2 Black Friday UP TO 50% OFF Plus Huge Coupons
Nov 18 to Dec 2 Black Friday UP TO 50% OFF Plus Huge Coupons
StriperSS


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Well, if you set fire to the wood, you'll move the pile, and heat treat the gears at the same time, making them far more valuable! biggrin



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Victoria, BC
4SPEED427


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Good night John!!!!!

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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)
StriperSS


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Carl Stevenson wrote:

Good night John!!!!!

 Okay Okay!



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Victoria, BC
Pontiacanada


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66 Grande guy wrote:

I'd have to literally burrow through about 20 cords of birch firewood to get at them.

 Ken, you're going to be a busy beaver.blankstare



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Prince Edward Island

'64 Parisienne CS "barn find" - last on the road in '86 ... Owner Protection Plan booklet, original paint, original near-mint aqua interior, original aqua GM floor mats, original 283, factory posi, and original rust.

66 Grande guy


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Ok!   Dug Out all six.  For 5 of them i was able to get numbers off the boxes but from one i was only able to get the number off the pinion so i hope these will be of some use.  They all came from an old GM dealership in northern Alberta so could date from the 50's and 60's (70's?)

1.  #5728610 or 5728670   12 pinion 37 ring  (3.08 ratio)

2.  #1816714   10 pinion 39 ring  (3.90 ratio)

3. #180422 (from pinion)  9 pinion 38 ring  (4.22 ratio)'

4. #3790629 (kindof rusty) 12 pinion 37 ring  (3.08 ratio)

5. #5723201  9 pinion 37 ring   (4.11 ratio)

6. #3819037 9 pinion 37 ring   (4.11 ratio)

Most  have some degree of light rust although the two 4.11s are quite good and all have crush sleeves and shims so are complete i think.

If you could let me know i might have a clue as to what to do with them.

Thanks!  



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ken from northern Alberta

38 Willys pickup electric

39 Buick (327 with 700 r4)

66 Beaumont 4 door hardtop

69 Chevy CST pickup

1976 GMC 23'  motorhome

1994 Impala SS 

1968 Citroen Fourgonnette (Yeah Carl!)
Nov 18 to Dec 2 Black Friday UP TO 50% OFF Plus Huge Coupons
Nov 18 to Dec 2 Black Friday UP TO 50% OFF Plus Huge Coupons
4SPEED427


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I'll be back on here a bit later and will see what I can find Ken.

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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)
kelico


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looking forward to hearing about this as well.

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4SPEED427


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Oh shoot, forgot.....

I'm off to hit the books right now!

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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)
4SPEED427


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Posts: 50206
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66 Grande guy wrote:

Ok!   Dug Out all six.  For 5 of them i was able to get numbers off the boxes but from one i was only able to get the number off the pinion so i hope these will be of some use.  They all came from an old GM dealership in northern Alberta so could date from the 50's and 60's (70's?)

1.  #5728610 or 5728670   12 pinion 37 ring  (3.08 ratio)

2.  #1816714   10 pinion 39 ring  (3.90 ratio)

3. #180422 (from pinion)  9 pinion 38 ring  (4.22 ratio)'

4. #3790629 (kindof rusty) 12 pinion 37 ring  (3.08 ratio)

5. #5723201  9 pinion 37 ring   (4.11 ratio)

6. #3819037 9 pinion 37 ring   (4.11 ratio)

Most  have some degree of light rust although the two 4.11s are quite good and all have crush sleeves and shims so are complete i think.

If you could let me know i might have a clue as to what to do with them.

Thanks!  

 Wow, not much luck so far....

3790629 is early 10 bolt cover,  car, 65-70

5723201 is 63-70 12 ton



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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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