Gear swap

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fnny6770

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Location
Pocatello
First Name
Paul
Truck Year
1980
Truck Model
3500 camper special
Engine Size
454
Someone wants to give me a set of 3.73 ring and pinion out of a 2002 GMC Sierra 2500 HD, would they possibly fit in my 1980 GMC 1 ton dually with a Dana 70 rear end? What other information would be needed?
 

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Tonimus

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Phoenix
First Name
Tony
Truck Year
1978
Truck Model
C10 Suburban
Engine Size
454
Not likely. There should be some sort of identification numbers cast into the carrier to tell you exactly what carrier it is.
 

nvrenuf

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Mobile, Al.
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John
Truck Year
1991
Truck Model
K5
Engine Size
454
The 80 dually would have a D70HD, I don’t know what the 05 would have but I do know they did not us the HD IF it had a D70. Need to figure out what axle is in the 05.
 

geardaddy

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st. paul mn
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mike
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97
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several
Engine Size
350
that ring and pinion will not work in a dana 70..
 

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