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Thread: gear change

  1. #1
    FEP Senior Member tulsa's Avatar
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    Default gear change

    found someone locally with some 3.45's low miles thinking of buying them and putting them in my annie..

    they are for a 7.5 rear diff.
    the movie twister..i lived it big cabin oklahoma summer of '73

    http://www.youtube.com/watch?v=tBXnM5-B1T4
    current cars
    1984 gt 350 vert. second owner
    1986 lx 5.0 hatchback gone but not forgotten

  2. #2
    FEP Super Member FM2NOTCH's Avatar
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    good upgrade but the gears would need to be cheap to spend money on a 7.5, I believe I paid $10.00 for some 7.5 3.45's then later scrapped them before install, I'll eventually install the 8.8 a have for my capri and probably go with 3.73's
    *FOXTOBERFEST* 2015 http://www.foxmustangrestoration.com/events
    85 T Top coupe 5.0 2R red, E7's, rpm intake, 4180 carb, 7.4 1/8
    83 CC capri 5.0 5 speed,black mesh wheels
    76 cobra II 302 auto black/gold, big cam 3 inch dumps- sold to a good friend
    92 coupe 5.0 5 speed -red
    92 Lx hatch 5.0 5 speed -black, 66 coupe 5.0 4 spd (project)
    87 Vert 5.0 AOD red stock as a rock

    " Are you sure you know what you're talking about? It kinda sounds like you know what you're talking about"

  3. #3
    FEP Super Member bwguardian's Avatar
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    I have the 3:27 gear in my 85 GT vert...but those are in an 8.8 and I love them. I had 3:55 gears years ago in my old 82 GT...but those were again in an 8.8 unit. I feel that these cars in stock to mild form are enjoyable with anything in the 3:08 to 3:55 gear range.
    HAD
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    '85 GT vert two tone (white on charcoal)...white leather
    '00 F350 two tone (white on silver)...gray cloth
    '00 Excursion Limited two tone (white on tan)...tan leather...wifes ride
    '08 Taurus Limited ice blue...tan leather...daughter ride
    '08 Edge Limited white sand tri-coat metallic...tan leather...other daughters ride

  4. #4
    FEP Senior Member tulsa's Avatar
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    bought the gears and had them shipped ..going to have them installed come spring ..
    the movie twister..i lived it big cabin oklahoma summer of '73

    http://www.youtube.com/watch?v=tBXnM5-B1T4
    current cars
    1984 gt 350 vert. second owner
    1986 lx 5.0 hatchback gone but not forgotten

  5. #5

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    Don't pay somebody. You can do it yourself.

  6. #6
    FEP Power Member Puter's Avatar
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    Quote Originally Posted by Mike in Kentucky View Post
    Don't pay somebody. You can do it yourself.
    I've gone both routes. I have no problem with paying.
    85 GT convertible

  7. #7
    FEP Senior Member Quicksilver's Avatar
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    Quote Originally Posted by Puter View Post
    I've gone both routes. I have no problem with paying.
    I agree. when I put gears in my 7.5, a buddy and I did it (he is a mechanic) lying under the car.
    We also put the gears in my 8.8 with a stud kit and girdle. The axle was on the ground.

    My buddy now runs a shop and I just paid him to put in another set of gears with all new bearings and seals (Ford Racing install kit). He does not use a crush collar for the pinion but instead uses a spacer made specifically to retain the correct spacing for the pinion. This way, the pinion depth will never change. So, for this time, I didn't have the time, he had the hoist and I know his work. I had already installed the new speedometer gear.
    Rob

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