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Thread: 88 Thunderbird LX V8 Rear End

  1. #1
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    Default 88 Thunderbird LX V8 Rear End

    Does the 88 Thunderbird LX V8 with digital dash (not the Sport ) come with a 7.5 or 8.8 rear end?
    1988 Black Turbo Coupe
    1989 Fiji Blue Chrysler Conquest
    1990 Silver Lincoln LSC MKVII
    2003 Black Mercury Marauder - S/C
    1967 Green Ford Fairlane

  2. #2
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    7.5
    '88 Sport--T-5,HURST shifter,Trick Flow R intake,Ed Curtis cam,Trick Flow heads,Scorpion rockers,75mm Accufab t-body,3G,mini starter,Taurus fan,BBK long tube headers,O/R H-Pipe, Flowamaster Super 44's, deep and deeper Cobra R wheels, Mass Air and 24's,8.8 with 3.73's,140 mph speedo,Mach 1 chin spoiler,SN-95 springs,CHE control arms,aluminum drive shaft and a lot more..

  3. #3
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    Quote Originally Posted by vinnietbird View Post
    7.5
    That's not good news, will a complete 87 MKVII rear end bolt in?
    1988 Black Turbo Coupe
    1989 Fiji Blue Chrysler Conquest
    1990 Silver Lincoln LSC MKVII
    2003 Black Mercury Marauder - S/C
    1967 Green Ford Fairlane

  4. #4
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    a few '88 5.0 Birds had 8.8s just like the Cougars, you'll have to get under it and check....






    My other rides (that actually do run & drive)

    1969 Fairlane Cobra 428CJ 4-Speed << New 49th Birthday Picture

    1972 Comet GT - 306 C4

  5. #5
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    Thanks, I've already decided not to pursue the purchase.
    1988 Black Turbo Coupe
    1989 Fiji Blue Chrysler Conquest
    1990 Silver Lincoln LSC MKVII
    2003 Black Mercury Marauder - S/C
    1967 Green Ford Fairlane

  6. #6
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    My '88 Sport only has a 7.5 in it, however it is a traction lock unit. Go figure.
    Project 3G: Grandpa Grocery Getter-'85 Crown Vic LTD 2-door, 351W with heavily ported/polished GT40 heads, heavily ported/polished Typhoon Power Plus upper & lower intake, Comp Cams 265DEH retarded 1*, FAST EZ-EFI, HD T5, 8.8" 3.73 trac lock with extra clutches, 3G alt. swap, '99 CVPI front brakes, '09 CVPI rear disc brakes, '00 CVPI booster&m/c + wilwood adj prop valve.

    Parted & Gone-'88 T-bird Sport, 351W swap, ported GT40 heads

  7. #7
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    If you have the vin you should be able to check the axle code.
    Quote Originally Posted by jcassity
    I honestly dont think you could exceed the cost of a new car buy installing new *stock* parts everywhere in your coug our tbird. Its just plain impossible. You could revamp the entire drivetrain/engine/suspenstion and still come out ahead.
    Hooligans!
    1988 Crown Vic wagon. 120K California car. Wifes grocery getter. (junked)
    1987 Ford Thunderbird LX. 5.0. s.o., sn-95 t-5 and an f-150 clutch. Driven daily and going strong.
    1986 cougar.
    lilsammywasapunkrocker@yahoo.com

  8. #8
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    Quote Originally Posted by Haystack View Post
    If you have the vin you should be able to check the axle code.
    There is not one scrap of info in a vehicles VIN number that pertains to axle type...

    That info is on the data sticker on the door jam ONLY... Even then you'll only get ratio and whether it's Traction Lock or std... You wanna know the size, gotta crawl under it...






    My other rides (that actually do run & drive)

    1969 Fairlane Cobra 428CJ 4-Speed << New 49th Birthday Picture

    1972 Comet GT - 306 C4

  9. #9
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    I agree with Tom....get the info from the tag on the rearend. That's the best way to do it.

  10. #10
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    What they said.Check the door or crawl under and check the tag and cover shape.None of my Traction Lok or whatever they call it diffs have had a tag to identify them a such.
    But they do all have a tag identifying the ratio.
    Pimp smacking smart azzes on the streets since 1970

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