TwinTurbo.NET: Nissan 300ZX forum - Misadjusted clutch slippage
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Subject Misadjusted clutch slippage
     
Posted by megaDan on May 29, 2014 at 10:58 AM
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Message So I'm due for a dyno tune next weekend, and after just replacing my flywheel and rear main seal last week...my clutch is slipping. I did a WOT pull last night to determine how my map should be rescaled and at the same TP load value in 3rd, 4th, and 5th the RPM's would spike. This tells me it's not tire slippage.

My clutch DOES engage higher rather than lower, and after doing some research I understand that not having the clutch adjusted properly will cause this. Is it more of an 'all the time' problem, or is it similar to what I am experiencing. I doubt I am putting down more than 400whp right now, but according to past dynos its probably letting go around 350ish. I have a Z1 street clutch disc which held fine last year with an OEM flywheel and it only has a few thousand miles on it and it hasn't been abused whatsoever. Flywheel has a BRAND new friction disc on it. I've never heard of needing to do anything to prime a new disc...but that's the only thing that has changed in this setup.

I got under the car last night to see if I messed up the RMS installation, but the small amount of the backside of the flywheel I can see seems to be dry. I need to have this figured out in under a week, and if I need a new clutch I have to figure it out ASAP. Any advice/help would be much appreciated.

Relevant mods are sport 500s running 15psi
2.5" intercooler piping
dual intake with selin
12lb aasco flywheel
z1 street clutch
massive v3 intercoolers
full 2.5" exhaust
ams exhaust manifolds (shuttup)

Prior to 2.5" piping and massive IC's I dynod at 360whp, i expect to be around 400 now and am hoping for 450 after the tune. Will my current clutch not support my needs? I've heard tons good about RPS clutch kits....do I need to upgrade?

     
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