S2000 Under The Hood S2000 Technical and Mechanical discussions.

FREE---easy shifting!

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Old 12-12-2010, 03:58 PM
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Originally Posted by ikeyballz,Dec 12 2010, 05:46 PM
Everyone ragging on double clutching is an idiot. I mentioned this before as well. The transmission is designed for high rpm shifts, not low putting around town shifting. Did you guys ever notice that 6-8K shifts feel way better than 2-4 K shifts? The transmission doesnt slow down enough at lower RPM to engage the next gear properly unless you either:
1) DC as the OP mentioned
2) Pause for a split second.

If the naysayers understood manual transmissions, you guys would also know that syncros are like clutches, they wear out. Its not some magical fairy dust item that you can use forever. By pausing or double clutching you can lengthen the lifespan.

Do I double clutch? Not when driving spiritedly (high rpm shifts, shifts like butter) but when I'm putting around town shifting at 3-5K, I do.


Most of you guys who say it shifts fine at low RPMS are either:
1) forcing the shifts & abusing the synchros
2) shifting slowly without realizing it
3)???

A heavier trans fluid might slow down the transmission significantly, which might make it seem like you're getting better low RPM shifts but then higher RPM shifts will feel worse.
I slow my shifts down below 5K because that's what 'feels' right to make a proper shift.

I have no grinding issues. I don't double clutch. Running honda tranny fluid.
Old 12-12-2010, 04:02 PM
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Originally Posted by rob-2,Dec 12 2010, 08:58 PM
I slow my shifts down below 5K because that's what 'feels' right to make a proper shift.

I have no grinding issues. I don't double clutch. Running honda tranny fluid.
that will work too.

Billman250 swears by the fact that you need to swap the clutch fluid regularly and make sure the mc is clean, as it can be a source of the 2nd gear grind issue too. I think it was part of the reason mine went away, along with the adjustment and tranny fluid change.
Old 12-12-2010, 04:07 PM
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[QUOTE=ikeyballz,Dec 12 2010, 04:46 PM] Everyone ragging on double clutching is an idiot.
Old 12-12-2010, 04:17 PM
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Originally Posted by rob-2,Dec 12 2010, 02:58 PM
I slow my shifts down below 5K because that's what 'feels' right to make a proper shift.

I have no grinding issues. I don't double clutch. Running honda tranny fluid.


guess my 3) should have been:
3) shift slowly on purpose.

Whatever floats your boat, obviously double clutching will give you more control...but will create more wear on your slave/master cylinder and possibly your PP.
Old 12-12-2010, 06:23 PM
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As long as you realize that there is a pause in every gear change you can't mess up. About halfway into the gear you will feel resistance. Hold it there gently and wait a fraction of a second. It will fall into gear when everything locks up. If you force it past that the ring teeth take all the deceleration and mushroom. That's when things start getting crunchy. You can't fix that without a rebuild, and every shift beyond that does more damage.

I've seen cars with half the mileage of mine that are hard to shift with the engine off. I shift my '01 with my fingertips. It's all in the technique.


My .02 on synchro's: Honda synchro's a historically very tough. You'll have to rebuild the transmission long before they wear out. Most people misdiagnose bad shifts as the synchro's when it's usually the rings as stated above.

It's your car. Do what you feel is best.
Old 12-12-2010, 06:26 PM
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any real sports car should feel notchy !! it reasures the driver its in gear !! should feel like the bolt action on a rifle in my opinion !!
Old 12-13-2010, 03:30 AM
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Old 12-13-2010, 05:58 AM
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Thanks for the insight. I was shocked when I felt that gearbox. I guess I got a good one.
Old 12-13-2010, 04:40 PM
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Originally Posted by davidc1,Dec 12 2010, 08:33 AM
Our car's, when properly adjusted, have what is considered to be one of the best manual shifters in the world. If you have any notchiness, then something is wrong. But other guys on the forum can tell you what.

Regarding double clutching, it is generally understood that it is of no use in a modern transmission with sychro's. Now, if you talking about rev matching when downshifting, that's good. People confuse the terms a lot.
rev matched down shift is not the same as a double-clutched-rev-matched down shift
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