- #Honda s2000 clutch delay valve install#
- #Honda s2000 clutch delay valve mod#
- #Honda s2000 clutch delay valve drivers#
Another change was the inclusion of a clutch release delay valve. As the driver, you can see your passengers' heads bobbing back and forth every shift! Yes, in their minds, they ARE laughing at you. This clutch delay valve (CDV as it is usually called) prevented the clutch from fully engaging if the clutch was suddenly and completely let out. In conjunction with its introduction of the F22C1, Honda also changed the transmissiongear ratios by shortening the first four gears and lengthening the last two. During normal driving, the shift from first to second gear will be jerky, leading passengers to question your skill. During hard acceleration, the slippage shortens the life of your clutch. I daily drive the ap1 and I love doing it.
it depends on what kind of machine you want, or what fit your driving needs. It slows the engagement of the clutch, similar to a damped record player tone-arm, gently lowering the needle to the surface of a record. During parallel parking, the delay can be infuriating, causing constant clutch slippage. if you compare the early ap1 to s2000 CR. Clutch Delay Valve (CDV) Modification by Dave Zeckhausen Theory of Operation - What is a CDV The Clutch Delay Valve (CDV) is a one-way restrictor, located between the clutch slave and clutch master cylinders.
#Honda s2000 clutch delay valve drivers#
In practice, it prematurely wears the clutch disc and transforms experienced drivers into novices who cannot shift smoothly. In theory, it reduces driveline shock, if an inexperienced driver dumps the clutch. It slows the engagement of the clutch, similar to a damped record player tone-arm, gently lowering the needle to the surface of a record.īecause of this factory device, no matter how quickly you lift off the clutch pedal, the clutch engages the flywheel at a slow rate. The Clutch Delay Valve (CDV) is a one-way restrictor, located between the clutch slave and clutch master cylinders.
#Honda s2000 clutch delay valve mod#
It's like the AP2 S2000, the delay valve and a lower redline helps to prevent blowing up the rear diff.Īll in all, the mod is worth it, but understand there is a chance of increases transmission wear if you shift poorly.Click to expand. There is a reason why Honda put a delay valve, so people don't blow their transmission and axles. Both had a noticeable effect on the driving characteristics of the S2000, but not everyone, Honda included possibly, understood how each worked and how they affected the car’s character. As long as you shift properly (let the RPMs drop a bit and don't pop the clutch), the chances of you blowing a transmission like in the Honda B and D series days are slim to none. To address broken differentials, a clutch delay valve was used to prevent driveline shock.
The only real downside to this mod is that you can destroy your transmission if you shift aggressively and pop the clutch, i.e., bang gears. There is no more vagueness in the clutch pedal and I know 100% when the clutch engaging the flywheel & pressure plate. Even downshifts into 2nd at 40mph are smoother. With the CDV removed, my shifts are smooth into all the gears. People used to make fun of me for having rough shifts into 2nd gear.
#Honda s2000 clutch delay valve install#
Since I'm replacing the Clutch Master Cylinder (CMC), I might as well replace the Clutch Slave Cylinder (CSV) and remove the Clutch Delay Valve (CDV).Īfter having a local shop install my new parts, I noticed the clutch pedal was heavier and engaged consistently. My clutch master cylinder decided to shit itself internally and gave me a clutch pedal with more sudden freeplay.