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Old 08-13-2014, 12:21 AM   #1
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Drive train CLUNK

I have a 2013 GT automatic. Whenever I'm coming to a stop, say slowing down for a red light, and right before I come to a complete stop I hear and feel a CLUNK.....I think towards the rear. Is this just driveshaft lash that could be remedied by a one piece? Or?

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Old 08-13-2014, 01:42 AM   #2
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I had the same clunk in mine. It seemed to go away when I installed a one-piece. I think the stock two-piece driveshafts just have a lil too much play in them.
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Old 08-13-2014, 03:19 AM   #3
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I had the same thing. I think it's play in the stock driveshaft. It went away with a one piece driveshaft which was my first mod recently installed just to get rid of the clunk. I hated that noise and my friend swore it cured it for him on his 13 and has done so for me as well.
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Old 08-13-2014, 11:48 AM   #4
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Well there goes another $700. Lol
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Old 08-13-2014, 07:03 PM   #5
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Yep that works, but I can think of better things to spend $700-$900 on then fix my GT clunk. Also don't forget magazine coverage about some 1 piece drive shafts causing vibrations in road track racing that then needs cured.

Page 140 of Hot Rod issue 1014

Edit: And then the surge of 1 piece drive shafts for sale I started to see on my Mustang Facebook pages 3 weeks ago !
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Old 08-14-2014, 07:03 PM   #6
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Do yourself a favor and get a Shaftmasters DS.I just installed one. Easy direct bolt in. And the best part it's $599 shipped. Ive run mine up to 100mph and its smooth as glass. Very nice piece.
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Old 08-14-2014, 07:40 PM   #7
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Quote:
Originally Posted by bodon View Post
Do yourself a favor and get a Shaftmasters DS.I just installed one. Easy direct bolt in. And the best part it's $599 shipped. Ive run mine up to 100mph and its smooth as glass. Very nice piece.

Not to Dis anything here but you don't need a new drive shaft for 100 mph. Its needed for over 130 mph on the V6... My factory past V6 2-section one worked just fine at 112 on the oval track hiting the 113 limiter. Some of the aftermarket one piece units have vibration issues at higher speeds on road tracks, see Magazine issues up one.
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Old 08-14-2014, 09:02 PM   #8
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I don't do any track racing and rarely if ever stray above 100 except to pass a long line of semi trucks out here in the middle of no where. I haven't noticed any vibration but like I said not a track guy just a few spirited drives up to 75. I got mine simply for the clunk. I'm OCD about noises. Creaks, squeaks, rattles clunks all drive me into a rage lol.
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Old 08-14-2014, 09:16 PM   #9
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Quote:
Originally Posted by Aarskringspier View Post
I don't do any track racing and rarely if ever stray above 100 except to pass a long line of semi trucks out here in the middle of no where. I haven't noticed any vibration but like I said not a track guy just a few spirited drives up to 75. I got mine simply for the clunk. I'm OCD about noises. Creaks, squeaks, rattles clunks all drive me into a rage lol.
It use to drive me crazy, but I've just decided that's the nature of this beast. The GT is a performance oriented car, so it's going to have some clunks and noises. I do want to replace the factory 2 piece DS though.
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Old 08-16-2014, 10:00 PM   #10
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In all reality, if you read about it all the one piece drive shafts do is move the mid point to one end, so are they really one-piece if they still move back and forth like they must on a live axle? And if they don't what will happen to your pinion thrust angle ?

Just asking after a Hot Rod Magazine article on them.
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