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R33 Gtst - Improving Auto Transmission Response

hardsteppa
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hardsteppa Grand Master

hardsteppa

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so winding up on the suspension work now, and thinking about the slush/lag of the stock auto box on the r33 gtst...would I be wasting my time fitting stiffer engine and transmission mounts and poly diff bushings in an effort to improve the throttle response of the auto box? Or is it just, it's an old auto, it's not going to be very responsive ever...Not looking to do a manual conversion but if anyone's fitted stiffer bushes/mountings and found it was worthwhile, would be interested to hear...

thanks

Sinista32 Grand Master

Sinista32

Posted
Posted

Depending on what you want and can afford. You could send the Transmission off and have it modified and strengthened.

If your 33 is stock then it's probably overkill and waste of your hard earned cash.

hardsteppa Grand Master

hardsteppa

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Posted (edited)

thanks for replies. Not that keen on doing any upgrade work to the box, or removing it from the car...would be happy to replace some bushes if worthwhile but otherwise it will go into "too hard" basket...for a daily driver I will just put up with it!

Edited by hardsteppa
  • 2 weeks later...
hardsteppa Grand Master

hardsteppa

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Posted

so I came up with the rocket-scientist idea of putting some solid rubber reinforcement in the gap that the stock gearbox mounts have, to stiffen it up a bit. I know what you're thinking, great idea dude, and it should have an effect between farrrk-all>>something at least.....while out of the car I noticed that my current gearbox mount does have some cracking and perishing of the rubber though. So started looking around for a new mount; seems there's a part number difference between the R33 GTST auto and manual transmission mounts though....even though they look identical in what pics I could find, so guessing maybe a measurement difference somewhere. Would prefer to fit a Nismo mount, but only seems to come in a manual application, not auto. Here's where I appeal to the community. Anyone have a manual transmission mount they want to compare vital measurements with? From what I can see, need to measure distance between mount>transmission mounting bolt holes, mount>crossmember stud holes, and width of gap that crossmember sits inside the mount. It'll make more sense with some pics; I'll post some up....

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