Issue with DSS drive shaft

Discussion in 'SRT Hellcat Performance' started by Top Cat, Apr 18, 2015.

  1. Top Cat

    Top Cat Gold Member Hellcat Car Club Gold Supporting Member Fastest Cat/Record Holder HCC Charter Member

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    We had an issue yesterday when installing the DSS aluminum drive shaft I wanted to make people aware of, the shaft was perfect,it's the 8 bolts that are used to attach to the rear that are a problem. We started to torque down the bolts and the second bolt failed at 40 ft lbs of TQ, so we took all 8 out and replaced them with the next grade up and finished the install in about 30 min, a call will be made to Frank to make him aware of the issue today. Off to the track to test the shaft this morning:)
    TC
     
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  2. ROBY IRLE

    ROBY IRLE Silver Member

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    go get em top cat
     
  3. SRT_HC_707

    SRT_HC_707 SRT_HC_707 Staff Member

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    That's pretty scary if they are sending cheap hardware. What is torque spec? What size bolt? I'm assuming it was an 8.8 and you replaced it with a 10.9?
     
  4. B5 Blue

    B5 Blue Platinum Member

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    thanks for sharing
     
  5. paul suloff

    paul suloff Silver Member

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    Had the same sort of problem installing mine. One of the allen heads started to strip while torqueing . Seems like that bolt head is very shallow and small for 57 #? I'm going on torque specs listed here, there were no instructions with the DS.
     
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  6. Nycsrt

    Nycsrt BANNED

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    What track you going too?? You should come next week to e town Friday night or Sunday im gonna be there too
     
  7. Driver72

    Driver72 Gold Member

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    Keep us informed of the solution. Hopefully they will make a change to the bolts on future orders. One of the reasons I'm waiting a bit, so little issues like these get sorted out before I order. Thanks
     
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  8. Top Cat

    Top Cat Gold Member Hellcat Car Club Gold Supporting Member Fastest Cat/Record Holder HCC Charter Member

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    DSS has been made aware of the issue and Frank said he will call Bruce @ HHP to get his thoughts and a few pictures of the failure, looking at the bolt there was not much left where the head meets the threads and the failure was the head coming off.
     
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  9. Noquarter

    Noquarter Gold Member

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    Do we know if this issue was fixed? I just received mine yesterday.

    Also, do you need to remove exhaust to put it in?
     
  10. Top Cat

    Top Cat Gold Member Hellcat Car Club Gold Supporting Member Fastest Cat/Record Holder HCC Charter Member

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    I can't say if the bolt was changed, post up a picture if you can, as far as dropping the exhaust no if you have a lift, unhook the two rear fasteners and unplug the cutouts, support the two pipes and let them hang a bit down so you can work around them, if working on the floor it will be easier to drop the entire system.
    TC
     
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  11. Noquarter

    Noquarter Gold Member

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    Thanks TC
     
  12. Driver72

    Driver72 Gold Member

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    Funny I must have been in the same batch as you. I got mine yesterday too.
    Got mine through Dr.B

    Have a shop install.
    My local Mopar shop specialists are charging me like $325 to install both aluminum DS and my catback exhaust this Friday.
    For that, not worth dealing with it myself, and worrying about whether or not any mistakes are being made.

    And as I posted a few posts up back in April, this is why I usually wait a bit before buying something that could fail or not perform properly and have serious results because of it.
    TC back in April stated they made them aware of it. I'd think they'd of made the changes on the very next batch, back in April. A lot of people have gotten an aluminum DS since then and not one has mentioned this issue since that I've heard of.
     
  13. srtfan

    srtfan SRT Hellcat Supporter Gold Supporting Member

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    Thanks TC. I was stuck on whether to go Aluminum or CF. Both rated to 1000hp (or more) - any advice?
     
  14. B5 Blue

    B5 Blue Platinum Member

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    I called DSS and told them my plans and they said aluminum for me.
     
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  15. VanishingPoint

    VanishingPoint Silver Member

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    ??? More than 1,000 horses?
     

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