[Supras] Clutch and flywheel for track use??

Rockey Fox supr91tt at yahoo.com
Mon Nov 26 08:58:11 CST 2007


I've been happy with my Fidanza AL flywheel and it does have a steel insert for clutch surface. I'm leaning toward the ACT HD pressure plate that has a heavy clamp force but undecided between the 6-puck ceramic and street disk. Both are comparably priced and I've gotten used to slightly rough engagement with the current dual friction disk with stock pressure plate that has apparently worn out in less than 2 years of daily driving (sometimes aggressive). After a few days I was able to engage the dual friction with very little if any chatter.
Robert at 935 Motorsports has a similarly priced SPEC clutch listed with slightly heavier pressure plate (2+) that I'm still considering as well and I trust him as a list member/contributor over anyone listing on e-bay.
Either way I'll be purchasing sometime this week as the toy gets parked tonight to begin the clutch replacement.

hth,
Rockey 91T

----- Original Message ----
From: "Walker, Brian (Rich. Dist)" <Brian.Walker2 at VDOT.Virginia.gov>
To: Supras at supras.com
Sent: Monday, November 26, 2007 9:15:08 AM
Subject: [Supras] Clutch and flywheel for track use??


I'm looking to upgrade my clutch (feels like it's finally slipping,
 does
fine for auto-x but stops pulling on track around 5k in 3rd and above)
and was going to replace the FW with something to drop weight and
quicken revs. I was looking for a chromoloy FW, found one on Ebay from
CBHaus but I've never heard of them. I also noticed several of the Al.
pieces have a steel face, maybe this would be fine? Jun is listed as
being for the 1Jz.

As far as clutch, I'm looking for something that will engage smoothly
and hold a decent amount of power (the one's advertising 20-30% over
stock don't sound like an upgrade as the stocker holds more than 30%
over stock) It looks like the Carbon disk setups (Exedy, Tilton, TRD)
are only for 1Jz and probably way out of my range. Any opinions on Spec
or Centerforce?
Thanks for any help,
Brian

Brian N. Walker, E.I.T.
Project Development Engineer
Richmond District - Sandston Residency 
Ph-804.328.3075


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