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Thread: Rear Diff Bushings

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    3,000 rpm - starting to feel the power Thumper13's Avatar
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    Rear Diff Bushings

    Installed Energy urethane bushings from 949 today...................what a major fucking pain in the ass,we used every tool at our disposal except for the engine hoist. We even used FIRE I still can't get over the difference,it was worth every second of blood sweat and profanity. No more drive train slop, she upshifts,downshifts better than new and just runs like a raped ape at 100+ mph with no drive train bucking when I let on and off the throttle. I am a happy camper.

  2. #2
    3,000 rpm - starting to feel the power druz's Avatar
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    Air chisel, <10 secs per side. Remembered i had one after pounding with a hammer for 15 mins.

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    Ninja Messiah kung fu jesus's Avatar
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    2,000 rpm - light wheelspin, no bog here! mhogan0's Avatar
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    What Fu said
    Praise be to Jah giver of speed and brakes, and the sense to know when to downshift

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    Rest in Peace Ben bedheadben's Avatar
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    Lol. What do people think of the solid ones vs poly?
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    2,000 rpm - light wheelspin, no bog here! Doward's Avatar
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    I've read of the ears breaking off the housing after prolonged solid bushing usage, But never witnessed it firsthand. I've had delrin in my diff for 4-5 years in a dual duty car. Love them. I put a pair of poly in another car and don't notice any more or less nvh. Both materials make such a huge difference over factory rubber that I can't tell a difference between them. Maybe I have a fat insensitive ass though... ;)

  7. #7
    3,000 rpm - starting to feel the power Thumper13's Avatar
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    Quote Originally Posted by kung fu jesus View Post
    Yup,I got caught up trying to remove the sleeve that goes up into the PPF. Didn't have an M 14 x 1.5 bolt,that took me longer than any other part of the swap,once that was out a BFH and chisel with some fire worked OK on the old bushings.

    I have noticed more road vibration through the rear but that was expected. I did hit a rough patch of concrete highway ( at 80 + mph )combine that with the added vibration and I could have sworn my driveshaft was loose. I don't think I'm going to be in a rush to put poly bushings anywhere else,unless she becomes a full time track toy.

  8. #8
    Ninja Messiah kung fu jesus's Avatar
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    I have Superpro bushings on the control arms, I didn't notice any increased NVH like I did with upgraded motor and diff mounts. Though, the Superpros are a little softer than the Energy units.

  9. #9
    Ninja Messiah kung fu jesus's Avatar
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    Moved this to: Engine and Drivetrain.

  10. #10
    3,000 rpm - starting to feel the power f86sabjf's Avatar
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    Just did the engine mts with mazda comp mts and I'm dreading the diff bushings

  11. #11
    Individual-1 ☚ ☻ ☛ Agent☣Orange's Avatar
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    I'm not surprised Thumper finds everything difficult. He thinks he needs a jackhammer and flame thrower just to toast bread. Evolution has not been kind to some...

  12. #12
    5,000 rpm - there be torque here! The Driver's Avatar
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    Quote Originally Posted by YellowYata View Post
    I'm not surprised Thumper finds everything difficult. He thinks he needs a jackhammer and flame thrower just to toast bread. Evolution has not been kind to some...

    You two need to announce your engagement and get it over with. Though I don't know if Randy has any "fraternization" rules...
    96 Montego, replacing a 95M... I miss: My running peeps in Tampa, running barefoot @ Clearwater Beach and First Choice BBQ, in Brandon. In So Cal I miss: The Malibu Canyons, CA 33 and In & Out Burgers ! I'm from Tampa, if I was from Tampa Bay, I'd be a fish!

  13. #13
    4,000 rpm - entering the fun zone SM16RMSM's Avatar
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    Quote Originally Posted by YellowYata View Post
    I'm not surprised Thumper finds everything difficult. He thinks he needs a jackhammer and flame thrower just to toast bread. Evolution has not been kind to some...
    Quote Originally Posted by The Driver View Post
    You two need to announce your engagement and get it over with. Though I don't know if Randy has any "fraternization" rules...
    Ever since I joined the forums, those two have never stop. Love Hate relationship there.

  14. #14
    5,000 rpm - there be torque here! The Driver's Avatar
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    Quote Originally Posted by SM16RMSM View Post
    Ever since I joined the forums, those two have never stop. Love Hate relationship there.
    It's the children that I'm worried about...
    96 Montego, replacing a 95M... I miss: My running peeps in Tampa, running barefoot @ Clearwater Beach and First Choice BBQ, in Brandon. In So Cal I miss: The Malibu Canyons, CA 33 and In & Out Burgers ! I'm from Tampa, if I was from Tampa Bay, I'd be a fish!

  15. #15
    Idling - Listen to it purr...
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    Quote Originally Posted by The Driver View Post


    It's the children that I'm worried about...


    Quote Originally Posted by Doward View Post
    I've read of the ears breaking off the housing after prolonged solid bushing usage, But never witnessed it firsthand. I've had delrin in my diff for 4-5 years in a dual duty car. Love them. I put a pair of poly in another car and don't notice any more or less nvh. Both materials make such a huge difference over factory rubber that I can't tell a difference between them. Maybe I have a fat insensitive ass though... ;)
    When you said you didn't notice any more or less NVH, were you comparing Delrin to Poly or either-or to stock? I heard the Delrin are rather harsh compared to stock vs OEM. I ask because you are the first I have seen to compare them both and it'd be nice to get a definitive answer on the topic. I got a set of GarageStar Delrin differential mounts that I intend to put on my DD/"weekend track" car and would like to know what I am getting into.

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