Whats clutchs for 300+hp?
stock... or go stock six speed. the discs are made by exedy and are plenty durable, and probably are safer for the tranny.
I am running the 5spd tranny with a 6spd flywheel, disc, pressure plate. Requires a little dremeling to the tranny bellhousing, but nothing major.
The 6spd assembly is noticably bigger/beefier than the 5spd assembly.
Although, I must say the ACT assembly for the 5 spds does feel quite nice. A friend of mine is running that with a best run of 12.5 @ 111.
I ran probably 150 passes on my stock WRX clutch, with a best run of 13.097 @ 103.11 (best sixty foot with that clutch was a 1.790)
Now with my new set-up (the 6 spd clutch assembly) I've posted a 12.4 @ 112 that with a 1.804 sixty foot.
Of course this is the same assembly the US STi uses and some of those guys have dipped into the 1.6s BONE stock! Its a good set-up.
def
I am running the 5spd tranny with a 6spd flywheel, disc, pressure plate. Requires a little dremeling to the tranny bellhousing, but nothing major.
The 6spd assembly is noticably bigger/beefier than the 5spd assembly.
Although, I must say the ACT assembly for the 5 spds does feel quite nice. A friend of mine is running that with a best run of 12.5 @ 111.
I ran probably 150 passes on my stock WRX clutch, with a best run of 13.097 @ 103.11 (best sixty foot with that clutch was a 1.790)
Now with my new set-up (the 6 spd clutch assembly) I've posted a 12.4 @ 112 that with a 1.804 sixty foot.
Of course this is the same assembly the US STi uses and some of those guys have dipped into the 1.6s BONE stock! Its a good set-up.
def
Thread Starter
Registered User
Joined: Jan 2003
Posts: 70
From: Ohio
Car Info: Sil. WRX
I already have to baby my car because when i hit .5 bar the clutch starts to slip......I was thinking about a act street clutch or a spec stage 1 w/ the light weight pressure plate.
both my friend and I make over 300 whp.
My friend has been making over 300 ft/lbs of torque on an OEM clutch...
The ACT would cost a good bit more, but after driving his with it, I recommend it. Felt very nice... smooth solid engagement.
def
My friend has been making over 300 ft/lbs of torque on an OEM clutch...
The ACT would cost a good bit more, but after driving his with it, I recommend it. Felt very nice... smooth solid engagement.
def
Registered User
Joined: Nov 2002
Posts: 174
From: Ontario
Car Info: 02 wrx
my car is right on 300WHP, and is on the stock clutch. I don't drag race or anything like that, so it doesn't take as much abuse as a lot of guys who take their cars to the track. So far, so good.
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Originally posted by jrauck
I already have to baby my car because when i hit .5 bar the clutch starts to slip......I was thinking about a act street clutch or a spec stage 1 w/ the light weight pressure plate.
I already have to baby my car because when i hit .5 bar the clutch starts to slip......I was thinking about a act street clutch or a spec stage 1 w/ the light weight pressure plate.
Thread Starter
Registered User
Joined: Jan 2003
Posts: 70
From: Ohio
Car Info: Sil. WRX
How did you get clutch chatter on a kevlar clutch disc? I was under the impression that with a kevlar disc that it wouldn't happen. What kind of flywheel are you using and how heavy is it? Oh and how long have you had your spec, and is it a nice everyday clutch?
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im using a fidanza 9.5 lb flywheel. have had for 3500 miles not to bad for everyday clutch ( only took a day or so to get use to clutch and flywheel). I got the chatter when i tried a new way to launch wrx fethered clutch at 5k until at about 15mph then dumped clutch rest of the way only problem was clutch still felt engaged for like a second more and when it totally disengaged that was when i knew something was wrong...aka bad shudder
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