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Thread: Flexplate bolt torque specs (or link to all torque specs for Slug)

  1. #1
    Slugmobile & MeanMini Caretaker Turbo Mopar Contributor wheming's Avatar
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    Flexplate bolt torque specs (or link to all torque specs for Slug)

    Trying to prepare for installing the shortblock, and I can't find the torque spec for the flexplate bolts.
    Thought they might be in KC, but no luck in my searches. And no luck through google yet.

    Anyone with the manuals handy?
    If you could scan the page for engine/tranny torque specs that would be super-duper!
    I really need to shop for some manuals!

    Thanks in advance!
    Wayne H.

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  2. #2
    turbo addict
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    Blue loctite tighten until engine turns over then smack wrench with hammer a couple times
    Ian Adams Function>Form 1990 shadow scrapped, too rusty:( 1991 Spirit R/T Scrapped, parts sold:( 1989 Turbo Caravan Daily beater with built-[I]ish [/I]​engine slowly evolving into weekend turbo beater.

  3. #3
    Slugmobile & MeanMini Caretaker Turbo Mopar Contributor wheming's Avatar
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    Re: Flexplate bolt torque specs (or link to all torque specs for Slug)

    hmmm, sounds less scientific than I hoped!
    Wayne H.

    '91 Dodge Spirit ES 2.5L turbo 5spd
    '05 PT GT 2.4T HO autostick (RIP)
    '89 Plymouth Acclaim 2.5L turbo auto, "Slugmobile" yes, THE Slugmobile!
    '89 Dodge Caravan SE 2.5L turbo auto, "Mean Mini" yes, Gus' Mean Mini! (Current best 11.699 @ 114.43 mph! - Oct 15th, 2022 Cecil County Dragway, MD)
    MeanMini dragracing videos: https://www.youtube.com/playlist?lis...URZLB1RxGYF6vw
    and other cars, trucks and motorcycles
    https://www.youtube.com/user/SlugmobileMeanMini

  4. #4
    turbo addict
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    Re: Flexplate bolt torque specs (or link to all torque specs for Slug)

    Quote Originally Posted by wheming View Post
    hmmm, sounds less scientific than I hoped!
    hey, it's what Gus would have done lol.
    per thedodgegarage.com
    Torque specs for SOHC engines.
    Connecting rods- 40 ft/lbs & 1/4 turn
    Main bearing cap- 30 ft/lbs & 1/4 turn
    Exhaust nuts- 150 inch/pounds
    Intake bolts- 200 inch/pounds
    Oil pump bolts- 200 inch/pounds
    Oil pump cover- 95 inch/pounds
    Flexplate- 50-65 ft/lbs (use locktite)
    Converter to flexplate- 40 ft/lbs
    Flywheel- 65-70 ft/lbs (use locktite)
    Clutch to flywheel- 21 ft/lbs
    CV-joint axle nut- 180-200 ft/lbs

    10 mm cylinder headbolts- 34-45-45- 1/4 turn
    11 mm cylinder headbolts- 45-65-65- 1/4 turn

  5. #5
    Slugmobile & MeanMini Caretaker Turbo Mopar Contributor wheming's Avatar
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    sweet!
    I just guessed and did 60 ft-lbs.
    I'll bump them to 65.

    and Gus would have had Louie our mechanic do it! And Louie probably would have torqued them with the impact gun!
    Wayne H.

    '91 Dodge Spirit ES 2.5L turbo 5spd
    '05 PT GT 2.4T HO autostick (RIP)
    '89 Plymouth Acclaim 2.5L turbo auto, "Slugmobile" yes, THE Slugmobile!
    '89 Dodge Caravan SE 2.5L turbo auto, "Mean Mini" yes, Gus' Mean Mini! (Current best 11.699 @ 114.43 mph! - Oct 15th, 2022 Cecil County Dragway, MD)
    MeanMini dragracing videos: https://www.youtube.com/playlist?lis...URZLB1RxGYF6vw
    and other cars, trucks and motorcycles
    https://www.youtube.com/user/SlugmobileMeanMini

  6. #6
    turbo addict
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    Quote Originally Posted by wheming View Post
    sweet!
    I just guessed and did 60 ft-lbs.
    I'll bump them to 65.

    and Gus would have had Louie our mechanic do it! And Louie probably would have torqued them with the impact gun!
    Impact works lol.

  7. #7
    Slugmobile & MeanMini Caretaker Turbo Mopar Contributor wheming's Avatar
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    How about camshaft bearing cap torque?
    Going to need this when I put in Mini's new stock cam.
    Wayne H.

    '91 Dodge Spirit ES 2.5L turbo 5spd
    '05 PT GT 2.4T HO autostick (RIP)
    '89 Plymouth Acclaim 2.5L turbo auto, "Slugmobile" yes, THE Slugmobile!
    '89 Dodge Caravan SE 2.5L turbo auto, "Mean Mini" yes, Gus' Mean Mini! (Current best 11.699 @ 114.43 mph! - Oct 15th, 2022 Cecil County Dragway, MD)
    MeanMini dragracing videos: https://www.youtube.com/playlist?lis...URZLB1RxGYF6vw
    and other cars, trucks and motorcycles
    https://www.youtube.com/user/SlugmobileMeanMini

  8. #8
    Supporting Member Turbo Mopar Contributor supercrackerbox's Avatar
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    Re: Flexplate bolt torque specs (or link to all torque specs for Slug)

    I believe those are 24 lb-ft.

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