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An Aluminum driveline?

Discussion in 'The Garage' started by mountainexplorer, Nov 2, 2006.

  1. mountainexplorer

    mountainexplorer 1/2 ton status

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    Last night I bought an NV4500 5spd that came out of a '95 Chevy 3/4 ton 4x4 for 500 bucks. The guy gave me the rear driveline out of the truck too, and it was extremely light. It looks to be made out of aluminum. That struck me as odd. Are aluminum drivelines common place or is this kind of a rarity?
     
  2. 1977k5

    1977k5 3/4 ton status Vendor

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    They're pretty common on later model Chevy stuff.
     
  3. goldwing2000

    goldwing2000 Guest

    Ford stuff, too.
     
  4. mountainexplorer

    mountainexplorer 1/2 ton status

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    I guess I'm living in the past. '95 is newer than anything I've ever had. Just seemed weird to pick up this fairly sizable driveline and have it weigh almost nothing.
     
  5. goldwing2000

    goldwing2000 Guest

    With sufficient diameter, thick-wall aluminum has fairly good torsional rigidity and also flexes well enough to resist bending. It's good enough for a DD but I wouldn't use one on a trail rig.
     
  6. Pookster

    Pookster 1/2 ton status

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    they were avaliable on a number of years of newer trucks- as early as 91 I have seen with the aluminum ones. I recall only seeing them on 2x4's or something...
     
  7. jays68yak

    jays68yak 1/2 ton status

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    94 gmc 4x4 rear shaft is alum.
     
  8. pvfjr

    pvfjr 1/2 ton status

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    They've been using those in racing for a long time haven't they?
     
  9. 1977k5

    1977k5 3/4 ton status Vendor

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    Yep, driveline weight means a lot in racing. Chevy is probably using the aluminum driveshaft to help their MPG ratings (aluminum is more $$ than steel).
     
  10. yoshisv

    yoshisv 1/2 ton status

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    Our 05 GMC Crew cab with a duramax has one and it is huge. looks to be 6' in diameter
     
  11. atho

    atho 1/2 ton status

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    6 FEET??:eek1:


    :haha:

    all of the newer body styled S10's have them, im pretty sure.
     
  12. Thunder

    Thunder 3/4 ton status

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    I run one in my Mustang to save weight. Alumnium DLs are very common in drag racing. Most Newer vehicles run them to save weight= better fuel MPG
     
  13. gmc4cw

    gmc4cw 1/2 ton status GMOTM Winner

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    this is in a GMC 2500. Its about 6" in diameter. 1500's, vans, and fullsize suv's have them also. Dually's still run steel shafts. sorry for the pic. best I could do lying on my back on the lot.

    P1010052.JPG
     
  14. muddybuddy

    muddybuddy 3/4 ton status

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    makes that yoke look tiny
     

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