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Thread: Door sag on the new Delorean

  1. #21
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    Location:  Sunfield, Michigan, USA

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    Does anyone know if Grady still sells his own strut? I believe that as of a decade ago, the struts that Grady was selling were either super close or matched the specs of the stock/OEM struts - can anyone confirm this?

  2. #22
    Still Plays With Toys awildermode's Avatar
    Join Date:  Jun 2011

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    Another thing to look for is cracked fiberglass where the lower door strut mount is and/or a bent strut mount. Your struts may be fully extended but a damaged strut mount/fiberglass will make the door sag. You can get reinforcement brackets from any vendor.

  3. #23
    Young Padawan With The DeLorean kings1527's Avatar
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    Quote Originally Posted by mluder View Post
    Not to derail this thread too much more... My DMC struts were a couple years old and not getting it up any more. Thought I'd try something else so I ordered the "soft lift" struts from Special T... they're supposed to go up quick and then slow down the last few inches. With no adjustment to the torsion bar the door shot up and bounced at the top. I immediately removed them for fear of destroying my roof box.

    Cheers
    Steven
    I had the same problem, Steven. But it only occurred a few times. It was almost as if the struts needed to be broken-in with some opening/closing revolutions. I've had them in for about a year and the soft-lift struts are nice. If they're not used for a long time (such as vendor storage or a significant amount of time in the garage), the gas build up that causes the soft-lift seems to go away until you use it again.

    Alex Abdalla
    6575

    Late 1981, Grey 5-speed, 72k miles. Built 11/11/81

    A stock-look with modern, reliable technology.

    A full restoration with step-by-step "what I did" is in progress at www.delorean6575revisited.blogspot.com

  4. #24
    Senior Member mluder's Avatar
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    Quote Originally Posted by kings1527 View Post
    I had the same problem, Steven. But it only occurred a few times. It was almost as if the struts needed to be broken-in with some opening/closing revolutions. I've had them in for about a year and the soft-lift struts are nice. If they're not used for a long time (such as vendor storage or a significant amount of time in the garage), the gas build up that causes the soft-lift seems to go away until you use it again.
    Interesting. I did try cycling them a couple of times once installed but I probably needed to be a little more patient.
    Maybe I'll chuck en back on and see what happens.

    Cheers
    Steven
    Cheers
    Steven Maguire
    #4456


    IT'S A TRAP!!!!!

  5. #25
    Senior Member - Owner since 2003 Patrick C's Avatar
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    For years I had vendor struts that worked fine until they wore out. Then I replaced them with the Amazon struts that people were raving about. I also replaced my door strut brackets with Heninger's upgrades at the same time.

    Video of Amazon struts here:

    http://www.youtube.com/watch?v=QN5ep1jQo9c

    I wasn't happy with this performance, so I replaced them with Hervey's soft lift struts:

    http://www.youtube.com/watch?v=e1QPhjivbtE

    Videos after Torsion bar adjustment (down one notch):

    Driver side:http://www.youtube.com/watch?v=9eapUS6KByI
    Passenger side:http://www.youtube.com/watch?v=FMAZyJaHQrY
    Patrick C.
    VIN 1880
    Modifications done to my car can be seen in this video: https://youtu.be/ncMjW2pI2e4

  6. #26
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    Quote Originally Posted by NightFlyer View Post
    Does anyone know if Grady still sells his own strut? I believe that as of a decade ago, the struts that Grady was selling were either super close or matched the specs of the stock/OEM struts - can anyone confirm this?
    I believe he only sells the "soft lift" that SpecialT is/was selling. Not sure. You should shoot him a call.
    DeLorean VIN 16793 - 1983
    Loving my power steering!

  7. #27
    Banned
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    Location:  Sunfield, Michigan, USA

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    My VIN:    1798

    Using the Wayback Machine, I was able to find this description of Grady's door struts:

    "Our door and hood lift pistons are custom made for us and more closely resemble the originals in function and appearance than any other supplier. They use specially selected gas pressures, piston rod lengths, and even the finish on the ball studs. All of our lift supports have self cleaning pistons with O-ring seals and Teflon backup rings. They also feature exclusive triple-lobe rubber seals riding on chromium plated hardened steel piston rods for better gas and oil retention. Our manufacturer claims a design life of over half a million cycles in continuous use… two and a half times longer than competitive lift pistions. Some companies try to compensate for their single lip seals which are prone to leaking by using a higher gas charge. This places added stress on the lower mounting body ball stud, makes the door gain speed as it opens, and requires more frequent torsion bar adjustments. If you don't agree that our pistons are the best available, regardless of price, you can return them for a full refund."

    Not sure if this is what he's still selling or not, as his current website doesn't offer a description. I'm currently using Grady struts from that era for my hood and louver and can personally attest to their premium quality. Wishing I would have bought some of the door struts back then, even though I didn't need them...

  8. #28
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    Quote Originally Posted by Patrick C View Post
    For years I had vendor struts that worked fine until they wore out. Then I replaced them with the Amazon struts that people were raving about. I also replaced my door strut brackets with Heninger's upgrades at the same time.

    Video of Amazon struts here:

    http://www.youtube.com/watch?v=QN5ep1jQo9c

    I wasn't happy with this performance, so I replaced them with Hervey's soft lift struts:

    http://www.youtube.com/watch?v=e1QPhjivbtE

    Videos after Torsion bar adjustment (down one notch):

    Driver side:http://www.youtube.com/watch?v=9eapUS6KByI
    Passenger side:http://www.youtube.com/watch?v=FMAZyJaHQrY
    Those are great reference videos Patrick!

    Before trying the Amazon struts, had you (or a known PO) messed with the torsion bar settings at all?

  9. #29
    Senior Member - Owner since 2003 Patrick C's Avatar
    Join Date:  May 2011

    Location:  Northern Michigan

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    Quote Originally Posted by NightFlyer View Post
    Those are great reference videos Patrick!

    Before trying the Amazon struts, had you (or a known PO) messed with the torsion bar settings at all?
    Before those struts, I went through Grady struts and Toby's temperature compensating struts. When I got my car, it had 6,500 miles and had been sitting for 17 years. Because of this, I believe Shannon Yocom and I did the first torsion bar adjustment my car ever had when I installed the Grady struts back in 2004. I seem to remember us kicking both bars down a notch when we installed those struts.

    In any case, regardless of torsion bar adjustment, you can really see the difference in strength between Hervey's and the Amazon struts in the videos I posted since the bars remained at the same setting in the first several videos.
    Last edited by Patrick C; 02-27-2014 at 06:51 PM. Reason: Remembered a vendor incorrectly
    Patrick C.
    VIN 1880
    Modifications done to my car can be seen in this video: https://youtu.be/ncMjW2pI2e4

  10. #30
    Banned
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    Location:  Sunfield, Michigan, USA

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    Quote Originally Posted by Patrick C View Post
    Before those struts, I went through Grady struts and Toby's temperature compensating struts. When I got my car, it had 6,500 miles and had been sitting for 17 years. Because of this, I believe Shannon Yocom and I did the first torsion bar adjustment my car ever had when I installed the Grady struts back in 2004. I seem to remember us kicking both bars down a notch when we installed those struts.

    In any case, regardless of torsion bar adjustment, you can really see the difference in strength between Hervey's and the Amazon struts in the videos I posted since the bars remained at the same setting in the first several videos.
    Cool - I was just wondering as several owners seem to be running the Amazon struts without much issue.

    I wish that all the different offered struts were rated by force/pressure, so that you'd know before purchasing if you'll get a soft strut or a strong strut...

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