1. Beavis

    Beavis Well-Known Member

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    i have a 8 3/4 rear in my 383 4 speed dart. it has 3:23 gears. i was thinking of changing to 3:91. i dont drive the car much and trailer it everywhere i go.

    where is the best place to buy everything to switch over the gears ??
     
  2. megajoltman

    megajoltman Time to NUT UP or SHUT UP

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  3. rumblefish360

    rumblefish360 so close yet so far away

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    X's 2

    Great rep, customer service and knowledgeable. You can get everything there for the swap in one shot.
     
  4. lilredridinghoo

    lilredridinghoo Well-Known Member

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    Mopar Madness John Wolfe
    443 Chestnuv Ave
    Eaton CO 80615

    phone
    970.454.2636
    cell
    970.218.9141

    email
    wjrwolfe1@aol.com
     
  5. Beavis

    Beavis Well-Known Member

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    is that the gear i should get
     
  6. Bad Sport

    Bad Sport HALF A BUBBLE OFF Staff Member FABO Gold Member

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    It depends on what you are doing with the car, racing?
     
  7. Beavis

    Beavis Well-Known Member

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    just driving around car shows, cruising strips
     
  8. Bad Sport

    Bad Sport HALF A BUBBLE OFF Staff Member FABO Gold Member

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    Then why switch? 3:23's are fine.
     
  9. Beavis

    Beavis Well-Known Member

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    i want a good burn out gear
     
  10. Bad Sport

    Bad Sport HALF A BUBBLE OFF Staff Member FABO Gold Member

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    If you have a 383, and it's a suregrip rear, you should not have any problems roasting the tires with what you have.
     
  11. Beavis

    Beavis Well-Known Member

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    could i have lower gears ?
     
  12. 66fs

    66fs Well-Known Member

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    4.56 gears are common.
     
  13. 66fs

    66fs Well-Known Member

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    For sure.
     
  14. Bad Sport

    Bad Sport HALF A BUBBLE OFF Staff Member FABO Gold Member

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    As in numerically?

    If you aren't sure what gear you have, jack up the rear and put jack stands under the diff. Put a chalk mark on the driveshaft and on the housing that line up. Put a mark on the bottom of the sidewall on the right rear tire put a corresponding mark on the ground. Slowly turn the right rear tire forward one revolution (mark to mark) while counting the rotations of the driveshaft.

    If the driveshaft rotates, let's say, 3 and 1/3 tuns to one complete rotation of the tire then you have 3.23's.
     
  15. inertia

    inertia Well-Known Member

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    You need a line-loc if you wanna do burn outs...
     
  16. Bad Sport

    Bad Sport HALF A BUBBLE OFF Staff Member FABO Gold Member

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    This ^^^^^^^^^
     
  17. Carman340

    Carman340 Well-Known Member

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    You don't really NEED the line lock to do burn outs.
     
  18. Bad Sport

    Bad Sport HALF A BUBBLE OFF Staff Member FABO Gold Member

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    That's true, but it makes it fun!
     
  19. fishy68

    fishy68 Tyr Fryr's Inc. FABO Gold Member

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    That may be true but it helps save the rear brakes and makes things a little easier.

    Agreed on going with Dr. Diff... Cass usually has the best prices on great parts and he won't BS you. If you have any problem setting them up he's a wealth of knowledge and will walk you through it
     
  20. 1969383S

    1969383S FABO Gold Member FABO Gold Member

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    No line-Loc required with that much gear!!!! Push the clutch rev her up a little drop and enjoy.... 3.23 a little more rpm and you should still be in the fun factor !!
     
  21. WRB426

    WRB426 Insane 4 Mopars FABO Gold Member

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    What tire size are you running?
    If you're looking for a little more grunt then I'd go with 3:55 maybe 3:73.
     
  22. Beavis

    Beavis Well-Known Member

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    i like to burn out after im in first gear !
     
  23. Beavis

    Beavis Well-Known Member

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    i will confirm my gears tonight
     
  24. Supershafts

    Supershafts Well-Known Member

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    3.2 to 4.3 is better then 3.2 to 3.9. Youre to far for me to help you get better b/o's
     
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