One Piece After Market Driveshaft

Discussion in 'V8 5.0L Engine / Mods: Bolt-ons, Exhaust, Tuning' started by DavidHuff, Apr 7, 2019.

  1. DavidHuff

    DavidHuff Well-Known Member

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    Why do Driveshaft Companies make adaptors to install their one piece driveshafts in 2015 thru 2017 mustangs?I was told that ShaftMasters is a direct bolt on without adapters for the install.
     
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  2. GregO

    GregO Well-Known Member

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    I have the Shaftmasters 3.50" 2015/17 M/T driveshaft and I will confirm the Shaftmasters uses NO additional bolt on adapters. My decision to use Shaftmasters was based on their less is more design. This driveshaft delivers and transformed the Mustangs human / machine experience.
     
  3. OP
    OP
    DavidHuff

    DavidHuff Well-Known Member

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    Thanks for posting and that confirms what I was told.
     
  4. EVL-S550

    EVL-S550 Well-Known Member

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    I ordered a Shaftmasters for my '18. Showed up this week and installing it next week. Good to hear it was positive for you.
     
  5. AZ18yote

    AZ18yote Well-Known Member

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    Nice was leaning more towards QA1 CF DS myself but cannot speak on the adapter scenario off hand.
     
  6. Brent Davis

    Brent Davis Well-Known Member

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    I have the Shaftmasters in my ‘18 too and it was a direct bolt in and WITHOUT adapters unlike the DSS and Gforce ones that I had. I too couldn’t understand why the use of adapters period. Makes no sense to me.
     
  7. ahl395

    ahl395 Well-Known Member

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    As others said, I believe Shaftmasters is the only one that doesnt use any adapters. I'm happy with mine.

    I'm guessing some companies use adapters so they can make the same driveshaft design work with several different cars with adapters, rather than having to mold a piece specifically for each car?
     
  8. GregO

    GregO Well-Known Member

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    For the simplicity and price point Shaftmasters is a WIN, WIN.........
     
  9. AZ18yote

    AZ18yote Well-Known Member

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    Interesting I hadn't really looked at Shaftmasters before. So even though its aluminum the vibration and nvh in general is actually still low? One of the main reasons I was looking at CF was for the nvh. That and weight but they claim these are only 21.5 lbs so very comparable. Are these really as quiet as advertised?
     
  10. GregO

    GregO Well-Known Member

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    I noticed zero increase in NVH combined with Steeda's trans bushing and shifter mount. I will say the rear cradle lockout added NVH but honestly its a domestic muscle car and as delivered from Ford the S550 GTPP performs like a wet noodle in my opinion.
     
  11. AZ18yote

    AZ18yote Well-Known Member

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    I added the BMR CB005 cradle lockout and NVH was barely noticeable so if this DS is less than that it may be a real option.
     
  12. 18 Smoke

    18 Smoke Well-Known Member

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    QA1 cf here. No adapter
     
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  13. 18 Smoke

    18 Smoke Well-Known Member

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    No adapter w/QA1 CF and no NVH
     
  14. AZ18yote

    AZ18yote Well-Known Member

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    Curious is this on a daily? Just ask as I have seen some express concerns with CF on street driving with variables not found on the strip like rock, debris etc. This was the one I was looking at before this Shaftmasters conversation got my attention.
     
  15. 18 Smoke

    18 Smoke Well-Known Member

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    Not my daily, but I drive it on the street quite a bit. Personally, I don’t think there’s anything to worry about. CF is hard shit
     
  16. Schwerin

    Schwerin Well-Known Member

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    My nervousness about them is that when I loked on line about driveshafts, most the videos I saw about broken ones were talking about a CF shaft. If I remember one of the AmericanMuscle hosts broke one on hers, and I saw a few other vids about street driven ones that broke. It makes me wonder if either the CF is easier to break, just lower quality, or osmethign about daily driving with a CF shaft weakens it.
     
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  17. 18 Smoke

    18 Smoke Well-Known Member

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    I read the same thing, but none of those were the QA1. The problems seem to be with the DSS. A buddy of mine runs the QA1 in his Renegade car. Has been 8.20. No issues. They are expensive though
     
  18. Schwerin

    Schwerin Well-Known Member

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    You're right, I went back and the ones I can find/confirm are DSS.
     
  19. AZ18yote

    AZ18yote Well-Known Member

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    Ya same here for the most part. I did eventually come across a few failed QA1 on HC forums apparently there is a heat issue. And it's not like they broke apparently the failure on those was with the epoxy due to the heat. The price on the Shaftmasters are attractive but weight , strength and lack of nvh on the QA1 are too. Though from what I can tell NVH is actually minimal on the Shaftmasters for being aluminum. Damn, decisions, gotta jump on one to immediately counter the weight from half shafts going on lol.
     
  20. Kermitz

    Kermitz Well-Known Member

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    This thread has got me really wanting a aluminium Shaftmasters. I don't like the carbon driveshafts due to the heat from the exhaust. I believe over time it will weaken the shaft, but that's just my opinion. There also isn't much of a weight advantage to justify the higher prices.
     
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