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  1. #1

    Default V8 Swap - 1983 3.8 C4 to 5.0 AOD

    What do I need to know ? Concerned AOD won't fit '83 trans tunnel.

  2. #2

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    AOD ought to fit the transmission tunnel fine. The driveshaft, on the other hand (just went thru this with my '86, where I kept the original C5 (a C4 with lockup convertor and valve body) and added a SBF into it) is a unique 3.8/C4/C5 combo of a driveshaft that's an inch too long, at 46.5", that I was previously unaware of. The driveshaft needs to be the common 45.5" (u-joint to u-joint centers) like all other Fox Mustang/Capri that I'm aware of. I had mine shortened the inch and re-balanced. Test/measure the length of yours first of course.
    Mike
    1986 Mustang convertible ---> BUILD THREAD
    Past Fox-chassis "four eyes":
    1983 Mercury Cougar LS
    1986 Ford Thunderbird ELAN
    1980 Capri RS Turbo

    Work in progress website ---> http://carb-rebuilds-plus.boards.net/

  3. #3

  4. #4
    FEP Senior Member
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    Dec 2016
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    Grand Rapids, MI
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    What information are you looking for???
    '89 XR-7 5 Speed
    '95 SC 5 Speed
    '91 Crown Vic P72 351W
    '97 Thunderbird
    '85 Ford LTD Squire

  5. #5

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    Will an AOD fit the stock trans tunnel ?

  6. #6
    FEP Senior Member
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    Dec 2016
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    Grand Rapids, MI
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    Did you read Walking Tall's post? The AOD was standard later in the fox platform and the floorpan did not change that much. I don't see any issues with putting an AOD in your car.
    '89 XR-7 5 Speed
    '95 SC 5 Speed
    '91 Crown Vic P72 351W
    '97 Thunderbird
    '85 Ford LTD Squire

  7. #7
    FEP Senior Member OX1's Avatar
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    Feb 2009
    Location
    Jackson, NJ 08527
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    869

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    AOD fit my dads 84 LTD no problem.
    86 Capri, 5.0, 5Spd, A9L QH/BE, 47 lb Inj PMAS 3" MAF, Single T44 Turbo, Front Mount IC, TW170,
    Stock Cam, Explr Intake/TB, 1.7 Rockers, CF dual friction clutch, 3" DP, 2.5" full Exh, 3.27, 11.932 @ 115.78
    84 LTD, 331-10:1, TW170/Exprl Intake, 47 lbs inj/80 mm LMAF, Full Duals, Quarterhorse, Vortech 7PSI, Lentech AOD, 5 lug Mk VII brakes/rear, Eibach Sway bars, Cobra HB (dads ride, but I fix it )

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