Clutch options for ~250 ft. lbs on the street.
01-31-2008, 04:14 PM
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Clutch options for ~250 ft. lbs on the street.
I'm gonna be running a boosted single cam on a cable tranny. I plan on making 300 hp, so I figure it'll be putting out ~250 ft. lbs. I'm starting to look into clutch options, and am wondering what other people are running as far as street/strip setups.
There are three areas I'm concerned about:
1) <u>Holding the power.</u> (obviously) If it can't take the torque when I'm on slicks at the track, theres no point in using it.
2) <u>Engagement on the street.</u> I don't want to be chattering my *** off and stalling out in traffic. Not to mention I'm running a cable tranny. It can't be snapping cables left and right.
3) <u>Longetivity.</u> I don't want to kill the clutch in a thousand miles by slipping it on the street. Realistically I WILL be slipping the clutch to a certain extent on the street, so the clutch has to be able to take it.
I know this may seem like an impossible request, but I was just wondering what other people have run. My thought was something like an ACT street disc with an Xtreme pressure plate.
There are three areas I'm concerned about:
1) <u>Holding the power.</u> (obviously) If it can't take the torque when I'm on slicks at the track, theres no point in using it.
2) <u>Engagement on the street.</u> I don't want to be chattering my *** off and stalling out in traffic. Not to mention I'm running a cable tranny. It can't be snapping cables left and right.
3) <u>Longetivity.</u> I don't want to kill the clutch in a thousand miles by slipping it on the street. Realistically I WILL be slipping the clutch to a certain extent on the street, so the clutch has to be able to take it.
I know this may seem like an impossible request, but I was just wondering what other people have run. My thought was something like an ACT street disc with an Xtreme pressure plate.
01-31-2008, 06:19 PM
#2
Re: Clutch options for ~250 ft. lbs on the street. (Tippyman)
If you do a search you can find some pretty good information on this subject.
I myself am running a Competition stage 5 4 puck unsprung and i like it alot. Its not loud, its stiff but not like other clutches, and holds my power (250 exactly. ) they get my vote. Good customer service too.
I myself am running a Competition stage 5 4 puck unsprung and i like it alot. Its not loud, its stiff but not like other clutches, and holds my power (250 exactly. ) they get my vote. Good customer service too.
01-31-2008, 07:02 PM
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Re: Clutch options for ~250 ft. lbs on the street. (mitsuman)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by mitsuman »</TD></TR><TR><TD CLASS="quote">If you do a search you can find some pretty good information on this subject.
I myself am running a Competition stage 5 4 puck unsprung and i like it alot. Its not loud, its stiff but not like other clutches, and holds my power (250 exactly. ) they get my vote. Good customer service too. </TD></TR></TABLE>
stage 4(6 puck) or 5(4 puck) would work just fine for your 250 ftlbs, very streetable, and wont have any trouble holding that much torque. i use the stage 5 making 300 ftlbs daily, and has held 400+ ftlbs.
I myself am running a Competition stage 5 4 puck unsprung and i like it alot. Its not loud, its stiff but not like other clutches, and holds my power (250 exactly. ) they get my vote. Good customer service too.
</TD></TR></TABLE> stage 4(6 puck) or 5(4 puck) would work just fine for your 250 ftlbs, very streetable, and wont have any trouble holding that much torque. i use the stage 5 making 300 ftlbs daily, and has held 400+ ftlbs.
01-31-2008, 07:17 PM
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Re: Clutch options for ~250 ft. lbs on the street. (mike@synapse motorsport)
i have a f1 racing clutch
http://cgi.ebay.com/ebaymotors...ZWDVW
i made ~285 lb/ft on a dynopack dyno and it didnt slip. it chatters a little if i try to slip it under 2000 rpms. the more i drive the car the less chatter there is though. also i didnt really break in the clutch because i installed it and went to the dyno. i had a act 6 puck unsprung before and it chattered just as much if not more. for the money i think this is the best value out there.
http://cgi.ebay.com/ebaymotors...ZWDVW
i made ~285 lb/ft on a dynopack dyno and it didnt slip. it chatters a little if i try to slip it under 2000 rpms. the more i drive the car the less chatter there is though. also i didnt really break in the clutch because i installed it and went to the dyno. i had a act 6 puck unsprung before and it chattered just as much if not more. for the money i think this is the best value out there.
02-01-2008, 03:48 PM
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Re: Clutch options for ~250 ft. lbs on the street. (Tippyman)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Tippyman »</TD></TR><TR><TD CLASS="quote">A Competition Stage 4-5 six or four puck is considered very streetable? 
</TD></TR></TABLE>
if you've ever driven one you definately would agree. get the sprung hub.
</TD></TR></TABLE>if you've ever driven one you definately would agree. get the sprung hub.
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02-01-2008, 04:10 PM
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Re: Clutch options for ~250 ft. lbs on the street. (mike@synapse motorsport)
i have a clutchmasters fx400 4 puck sprung hub (cable tranny). my brother has an act heavy plate with 6 puck unsprung hub (hydro tranny). both clutches drive good and have been in for alot of miles and lots of passes on slicks. i have a small hose clamp on the threads against the adjusting nut of my clutch cable so there is less stress on the plastic threads. i have had no problems with clutch cables.
02-01-2008, 04:44 PM
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Re: Clutch options for ~250 ft. lbs on the street. (sleepinonacreeper)
i can tell you what WONT work is an XTD 6 puck sprung, 260wtq here, less than 1500 miles and its slipping NASTY!! i will NEVER buy an egay clutch again, carbonetic here i come 
02-01-2008, 05:32 PM
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Re: Clutch options for ~250 ft. lbs on the street. (blinx9900)
xtd sucks but i wouldnt generalize it as an ebay clutch. i bought a proclutch ("ebay clutch") and put 2 years on it. it cost $130 and was great, it actually came with a exedy disk
02-01-2008, 05:57 PM
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Re: Clutch options for ~250 ft. lbs on the street. (mike@synapse motorsport)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by mike@synapse motorsport »</TD></TR><TR><TD CLASS="quote">
if you've ever driven one you definately would agree. get the sprung hub.</TD></TR></TABLE>
why do you say to get the sprung hub?
if you've ever driven one you definately would agree. get the sprung hub.</TD></TR></TABLE>
why do you say to get the sprung hub?
02-01-2008, 06:02 PM
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Re: Clutch options for ~250 ft. lbs on the street. (mitsuman)
ive got a competition stage 5. 4 puck sprung disc and its very streetable. At first it took getting used to but when you get a feel for the clutch its no problem. During break in i had some chatter, but after getting used to it i dont get no chatter at all
02-02-2008, 06:58 AM
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Re: Clutch options for ~250 ft. lbs on the street. (redzcstandardhatch)
276whp 231ftlbs on a clutch specialties 6 puck sprung and never a sign of slipping
02-02-2008, 10:55 AM
#15
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Re: Clutch options for ~250 ft. lbs on the street. (sleepinonacreeper)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by sleepinonacreeper »</TD></TR><TR><TD CLASS="quote">i have a clutchmasters fx400 4 puck sprung hub (cable tranny). </TD></TR></TABLE> Remember that we are SOHC folks, and only recommend items we can use, case in point is that Clutchmasters only lists an OEM replacement for us 
02-02-2008, 07:03 PM
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Re: Clutch options for ~250 ft. lbs on the street. (dr_latino999)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by dr_latino999 »</TD></TR><TR><TD CLASS="quote"> Remember that we are SOHC folks, and only recommend items we can use, case in point is that Clutchmasters only lists an OEM replacement for us </TD></TR></TABLE>
Yeah.
Any SINGLE cammers opinions?
</TD></TR></TABLE>Yeah.
Any SINGLE cammers opinions?
02-03-2008, 03:56 PM
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Re: Clutch options for ~250 ft. lbs on the street. (redzcstandardhatch)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by redzcstandardhatch »</TD></TR><TR><TD CLASS="quote">MINE
haha
made 298 ftlbs on one dyno run on mine..
haha</TD></TR></TABLE>
What's street driving like?
haha
made 298 ftlbs on one dyno run on mine..
haha</TD></TR></TABLE>
What's street driving like?
02-03-2008, 04:09 PM
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something different
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not OEM smooth, but it doesnt bother me a bit.
i've never minded a heavy clutch. engagment isnt much harsher than my old heavy duty clutchmaster setup (pressure plate feel feels almost identical, and that was a sprung/full organic disc).
mine is an unsprung 6 puck, and it takes a LOT of slipping at the track and hasnt appeared to wear at all, and i actually like the engagment just fine.
i've never minded a heavy clutch. engagment isnt much harsher than my old heavy duty clutchmaster setup (pressure plate feel feels almost identical, and that was a sprung/full organic disc).
mine is an unsprung 6 puck, and it takes a LOT of slipping at the track and hasnt appeared to wear at all, and i actually like the engagment just fine.
02-03-2008, 06:01 PM
#21
Man U FTW
I currently have the Exedy Stage 2 at 215ft/lbs and have run it at the track preloading on slicks and it didnt slip at all. Its streetable and is rated at 278ft/lbs. I'd recommend it to most anyone, but i'm not sure it'd have enough leeway for a lot of extra abuse.
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