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Obioban's 2005 IR/IR Coupe

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  • loudspeaker69
    replied
    Originally posted by heinzboehmer View Post

    Interesting. 125k on mine, so I think it could use a refresh. Now I want to drive a higher mileage car with a refreshed diff to see what that feels like.



    That's good to hear.

    And maybe "extra notchy" is not the best way to describe it. What I'm talking about is the feeling that happens when you try to switch gears fast and don't let the drivetrain "settle". The shifter becomes harder to push into the gate and when it finally does go in, you can feel the drivetrain clunking through the shifter. Doesn't happen on every fast gear change, but it happens often enough to be annoying.

    I think you both have convinced me to start planning a diff refresh. Need to spend some time deciding what I want on the car first though.
    I feel the same.
    Lots of diff clunk (and through the shifter) when the diff is torqued to spec and using the current/correct bolts and the driveline is all updated in the last 20k miles.

    Hence, I was interested in Ian’s choice of the Wavetrack just for having a better diff and eliminating the clunk.

    Leave a comment:


  • blazenXLT
    replied
    Any luck on finding 17s that will clear your brakes? I noticed that Stoptech claims their 332mm kits will fit 17s (I feel like you never know until they are in hand). I hate to say it since I have no first hand experience, but I feel like for every person I hear say they love their stoptechs, I hear someone have a complaint. Brakes are an area I'd rather be 100% sure...

    Leave a comment:


  • heinzboehmer
    replied
    Originally posted by Obioban View Post

    Is your CSB replaced? I'd do that first, if not.
    Yup, all bushings on the car have been replaced under my ownership.

    Might be worth going over everything before diving into a diff replacement though.

    Leave a comment:


  • Obioban
    replied
    Originally posted by heinzboehmer View Post

    Interesting. 125k on mine, so I think it could use a refresh. Now I want to drive a higher mileage car with a refreshed diff to see what that feels like.



    That's good to hear.

    And maybe "extra notchy" is not the best way to describe it. What I'm talking about is the feeling that happens when you try to switch gears fast and don't let the drivetrain "settle". The shifter becomes harder to push into the gate and when it finally does go in, you can feel the drivetrain clunking through the shifter. Doesn't happen on every fast gear change, but it happens often enough to be annoying.

    I think you both have convinced me to start planning a diff refresh. Need to spend some time deciding what I want on the car first though.
    Is your CSB replaced? I'd do that first, if not.

    Leave a comment:


  • heinzboehmer
    replied
    Originally posted by oceansize View Post
    When I swapped in my rebuilt 3.91 diff from diffs online last winter I can say almost all my clunk vanished. Shifts are much smoother now (however I'm in SMG), will be interesting to see how long that lasts. I had 100k on my original diff. I know this is Obi's thread but thought interesting enough to share.
    Interesting. 125k on mine, so I think it could use a refresh. Now I want to drive a higher mileage car with a refreshed diff to see what that feels like.

    Originally posted by Obioban View Post

    Hmm.

    I suppose I know what you mean-- you can feel the M clunk in the shifter. I do not, anymore.

    I don't think I've ever noticed it correlating with extra notchy shifts, so I can't say I feel like that is reduced.
    That's good to hear.

    And maybe "extra notchy" is not the best way to describe it. What I'm talking about is the feeling that happens when you try to switch gears fast and don't let the drivetrain "settle". The shifter becomes harder to push into the gate and when it finally does go in, you can feel the drivetrain clunking through the shifter. Doesn't happen on every fast gear change, but it happens often enough to be annoying.

    I think you both have convinced me to start planning a diff refresh. Need to spend some time deciding what I want on the car first though.
    Last edited by heinzboehmer; 09-30-2021, 07:20 AM.

    Leave a comment:


  • Obioban
    replied
    Originally posted by heinzboehmer View Post

    Saw you say on another thread that the wavetrac diff is quieter than stock since there's no m clunk. Have you noticed any differences in shift feel with the new diff?

    I ask cause I was driving around with the back seats down the other day and I could hear the diff clunking away pretty clearly. The clunks correlated with that extra notchy feeling that sometimes happens when switching gears (almost as if the whole drivetrain is loaded up and needs to unbind before the gear can be selected).

    I'm starting to think that most of the gripes I have with how my transmission feels are due to my diff. Actually, I remember there was a noticeable improvement in shift feel when I swapped out the diff fluid right after buying my car.
    Hmm.

    I suppose I know what you mean-- you can feel the M clunk in the shifter. I do not, anymore.

    I don't think I've ever noticed it correlating with extra notchy shifts, so I can't say I feel like that is reduced.

    Leave a comment:


  • oceansize
    replied
    Originally posted by heinzboehmer View Post

    Saw you say on another thread that the wavetrac diff is quieter than stock since there's no m clunk. Have you noticed any differences in shift feel with the new diff?

    I ask cause I was driving around with the back seats down the other day and I could hear the diff clunking away pretty clearly. The clunks correlated with that extra notchy feeling that sometimes happens when switching gears (almost as if the whole drivetrain is loaded up and needs to unbind before the gear can be selected).

    I'm starting to think that most of the gripes I have with how my transmission feels are due to my diff. Actually, I remember there was a noticeable improvement in shift feel when I swapped out the diff fluid right after buying my car.
    When I swapped in my rebuilt 3.91 diff from diffs online last winter I can say almost all my clunk vanished. Shifts are much smoother now (however I'm in SMG), will be interesting to see how long that lasts. I had 100k on my original diff. I know this is Obi's thread but thought interesting enough to share.

    Leave a comment:


  • heinzboehmer
    replied
    Originally posted by Obioban View Post
    Street review of wavetrac: indistinguishable from stock.
    Saw you say on another thread that the wavetrac diff is quieter than stock since there's no m clunk. Have you noticed any differences in shift feel with the new diff?

    I ask cause I was driving around with the back seats down the other day and I could hear the diff clunking away pretty clearly. The clunks correlated with that extra notchy feeling that sometimes happens when switching gears (almost as if the whole drivetrain is loaded up and needs to unbind before the gear can be selected).

    I'm starting to think that most of the gripes I have with how my transmission feels are due to my diff. Actually, I remember there was a noticeable improvement in shift feel when I swapped out the diff fluid right after buying my car.

    Leave a comment:


  • Tonggi
    replied
    Originally posted by Obioban View Post
    Larger screen Avin installed:

    Click image for larger version  Name:	009F41E8-662C-4C55-857D-9F4957A56733.jpeg Views:	281 Size:	127.8 KB ID:	96240
    What avin model is this? I cant find it on their site

    Edit, found it

    https://avinusa.com/8-8-multimedia-n...x69088e46.html

    man that is sexy looks a lot better than Avin Avant 4 that has a lot of buttons i dont really need
    Last edited by Tonggi; 09-28-2021, 06:10 AM.

    Leave a comment:


  • Malloy
    replied
    Originally posted by Obioban View Post

    Yes. My brother has the 0% in his car, and it is perfection.
    Thanks again. I talked to Ronald the other day and I'm sold. He pushed me twd a 20% reduction so I need to decide. Either way, I can't wait to get his parts :-)

    Leave a comment:


  • D-O
    replied
    Would that be the Ultra kit or the Autocross kit?

    Jesse

    Leave a comment:


  • Obioban
    replied
    Originally posted by Malloy View Post

    Good deal. thanks. I need to get rid of my UUC (too notchy) and the 0% Auto Solutions sounds like a good option...
    Yes. My brother has the 0% in his car, and it is perfection.

    Leave a comment:


  • Malloy
    replied
    Originally posted by Obioban View Post

    I currently have a 20% auto solutions kit. Next time I have the trans out, I will swap it for a 0% auto solutions kit.

    Stock knob (and will be staying that way).
    Good deal. thanks. I need to get rid of my UUC (too notchy) and the 0% Auto Solutions sounds like a good option...

    Leave a comment:


  • Obioban
    replied
    Originally posted by Malloy View Post
    Hey Ian, what shifter do you run?
    I currently have a 20% auto solutions kit. Next time I have the trans out, I will swap it for a 0% auto solutions kit.

    Stock knob (and will be staying that way).

    Leave a comment:


  • Malloy
    replied
    Hey Ian, what shifter do you run?

    Leave a comment:

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