ACT PP / OEM Disc and CD valve

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I am having the Kraftwerks High Boost Kit installed on my 06'.I am also having an ACT pp with OEM disc installed.Right now my car has the CD valve removed.Would I be better off re-installing the CD valve with the new upgraded PP to protect the Differential? I have read comments that you won't have any problems with it in and its added protection. Thanks John

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This whole CDV thing is, IMO, a fairly contentious issue. On the one hand, Honda put it there for a reason, that reason being to help prolong the life of the drivetrain aft of the clutch, when the car is being operated by a certain people. On the other hand, it has proven to really piss off those who want immediate clutch engagement and those who do high rev, rapid shifting.
John, I really can't tell you to do one thing or the other, only that many, many people with pre-CDV cars and superchargers have never had any problems with blowing up rear diffs or damaging trannies. I think some consideration must be given to the extra care and feeding of those components when mods of this nature are done. If you are one who would do clutch dumps at every stop light or endlessly shift at rpm quickly without due regard to giving those components a bit of a cool down time, then sure, put the thing back in. I'm not sure that with the HD PP being about 40% to 50% stronger than stock, that it would really matter much if the CDV was in or not. It may still engage the clutch hard enough and fast enough or it may just go back to the way it was with the stock PP. I really can't say for sure.
Personally, I would prefer to have no CDV and utilize my own shifting wisdom, driving savvy and maintenance regimen to protect the drivetrain. If you're going to work the tranny and rear diff harder, give it a rest before you tax it again and do the maintenance more dilegently or more often. The CDV, to me, represents Honda's way of installing a "Clutch Operation For Dummies" manual without making the operator read anything.
You know yourself better than anyone. The choice really belongs to you.

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Thanks Dave,I never do clutch dumps but I did have my clutch start to slip when the CDV was in and at 7500 miles Honda replaced it under warranty.I immediately had the CDV removed and to me the car feels much more natural.I enjoy shifting more but have changed my technique adding a slight delay manually between shifts?If you have any pointers as to how to shift with all this extra power I would be very grateful.I am very vigilant about oil,tranny and Diff fluid changes and have been using Amsoil severe duty in the diff. I'm really looking forward to the supercharger upgrade as well as the clutch just want the parts to last and have good reliability. Thanks John

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Given that you don't do clutch dumps and you attend to fluid maintenance, I would leave the CDV out. Although putting in that slight delay during shifts will lighten the load on the parts, I don't believe it's really necessary. The greatest harm will come if you are not matching up revs well and then releasing the clutch rapidly after the shift. If you do a typical redline shift, you would normally let off the gas while you are clutching and shifting. This gives the engine adequate time to drop to a more matching rev when you let the clutch out again even if done rapidly. Now, if you are in the habit of doing no gas lift, redline shifts, then you are putting a pretty good strain on all the driveline parts. You would be basically keeping the revs at redline when the clutch is engaged again. This is a very severe difference in rpm when upshifting. Even a momentary throttle lift when shifting will bring the revs down to a more reasonable level.
If it were me, I'd leave it out and just don't repeatedly thrash on it without a cool down period. For example, if you were to do a 1/4 mile run, give it a bit of cool down by driving it "normal" for a few minutes. Keep up with the fluid changes and it is my belief that your car will do just fine with the supercharger. Any harm that will come as a result of the added power won't be because the CDV is missing.

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Thanks for the tips Dave, gives me some insight into what's going on. John