drivetrain slack: where does it end? Not a motor mount thread. ok, maybe it is
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2004-2007 Cadillac CTS-V General Discussion Discussion, drivetrain slack: where does it end? Not a motor mount thread. ok, maybe it is in Cadillac CTS-V Series Forum - 2004 - 2007; I have new cs (grey mounts) along with new diff/diff bushing. CS mounts are fine, yet I still have alot ...
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    CadzillaTN's Avatar
    CadzillaTN is offline Cadillac Owners Connoisseur
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    drivetrain slack: where does it end? Not a motor mount thread. ok, maybe it is

    I have new cs (grey mounts) along with new diff/diff bushing. CS mounts are fine, yet I still have alot of drivetrain slack, especially on light on/off throttle in any gear and any speed. Problem since day 1 of install. I'm not attributing this to the mounts, but I'm not ruling them out either.

    any ideas? for those of you that have them, do black mounts make this any better? Just trying to figure out where the hell the slop is coming from if all these mounts are new and the rear is new.
    I assumed with new cs grey mounts and new diff/diff bushing, the drivetrain would at least be tighter than the pooped mounts+2yr old diff/diff bushing that got taken out... No, unfortunately it is not noticeably tighter, whether it be normal shifting, or on these light on/off variances in speed.
    Actually, it's harder to drive the car (when comparing simply harder or easier to drive). One of my goals with new mounts was to tighten up things and allow me to relax more on the city driving and not have to feather the heck out of everything unless I was wanting to haul a**.

    Are these just characteristics of stiffer mounts?

    I dont get it. What now? new super stiff diff bushing? New one piece diamond tipped driveshaft? Miracle Pinion brace, Weld the f'n cradle to the frame? what?

    Is a slack-free drivetrain in a cts-v just a myth?...

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    kevm14 is offline Cadillac Owners Connoisseur
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    Re: drivetrain slack: where does it end? Not a motor mount thread. ok, maybe it is

    I hear you. I have the stock diff bushing (replaced once somewhere along the way) and stock cradle bushings. Stock engine mounts (one was replaced along the way). Stock flywheel. I've actually gotten used to the cadence required to drive the car reasonably smoothly. I'm only unhappy with the flywheel when trying to rev match a downshift (slow and lazy), free rev to show off (slow and lazy), shut the car down (takes about 3 hours and shakes like a big rig) or otherwise drive flat out. But in normal driving, I've kind of made friends with it. Every take off is perfect at 1000rpm. Haven't stalled it yet.

    The key was to early on come to the realization that this isn't like my 95 Camaro Z28 where I could kind of beat on it, and it liked it. This is a car you have to respect. I know that sounds like of BS, but that's how I approached it. That said, have you tried the SW cradle spacer/bushings? Poly diff bushing?

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    Re: drivetrain slack: where does it end? Not a motor mount thread. ok, maybe it is

    I'll say it again....I think alot of it has to do with the rubberband driveshaft.

  5. #4
    kevm14 is offline Cadillac Owners Connoisseur
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    Re: drivetrain slack: where does it end? Not a motor mount thread. ok, maybe it is

    I think the durometer of the rubber used, at least at the coupler to the trans, is quite high and would not add noticable slack to the drivability. But I'm guessing here.

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    AG'S-V's Avatar
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    Re: drivetrain slack: where does it end? Not a motor mount thread. ok, maybe it is

    +1 on the driveshaft

  7. #6
    PISNUOFF Guest

    Re: drivetrain slack: where does it end? Not a motor mount thread. ok, maybe it is

    Do you still have the stock dual mass turd?

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    Castro's Avatar
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    Re: drivetrain slack: where does it end? Not a motor mount thread. ok, maybe it is

    Quote Originally Posted by kevm14 View Post
    I think the durometer of the rubber used, at least at the coupler to the trans, is quite high and would not add noticable slack to the drivability. But I'm guessing here.
    I'll let you know once I get my creative steel poly coupler installed, it's sitting in the garage waiting for me to finish messing with other car projects.

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