Need clutch suggestion
#1284398
08/13/12 12:54 AM
08/13/12 12:54 AM
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Joined: Feb 2003
Posts: 265 Garland, Texas
1badmopar
OP
enthusiast
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OP
enthusiast
Joined: Feb 2003
Posts: 265
Garland, Texas
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I took my car to the track for the first time with the new TKO600. The clutch is fine on the street, but at the track it slips so bad I might as well be in neutral. Freewheeled to the rev limiter in both 1st and 2nd, then I just backed out of it. It is a Keisler suggested SPEC stage 3 10.5". I argued with the tech on the phone, concerned if the clutch would be stout enough and he swore up and down that it would hold. I shoudl have know better! Any suggestions for a 10.5" street/ strip clutch that will hold 710ft lbs in 3600 lb car? I'm going to pull the trans this week and order the replacement.
1966 Plymouth Belvedere 520" RB w/ Indy 440-1 Heads FiTech Fuel Injection TKO 600 conversion [img] https://flic.kr/p/2j1ejsK[/img]
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Re: Need clutch suggestion
[Re: 1badmopar]
#1284399
08/13/12 02:28 AM
08/13/12 02:28 AM
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Joined: Aug 2003
Posts: 8,779 Mt.Gilead, Ohio
OhioMopar
master
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master
Joined: Aug 2003
Posts: 8,779
Mt.Gilead, Ohio
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I always had good luck with CFDF clutches. Never in anything with the power of your car, but a heavy 4x4 truck with a 440. I know someone on here has the information you need.
1969 Dart GTS 340 1969 Super Bee X9 N-96 1969 Coronet R/T X9 N-96 2015 Dodge Dart GT 2019 Ram 2500 Big Horn. Looking for the original block for my Bee. The last 4 are 7449
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Re: Need clutch suggestion
[Re: rowin4]
#1284402
08/14/12 02:22 AM
08/14/12 02:22 AM
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Joined: Feb 2003
Posts: 265 Garland, Texas
1badmopar
OP
enthusiast
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OP
enthusiast
Joined: Feb 2003
Posts: 265
Garland, Texas
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Thanks for the input. I am running 3.91 gears, 28x12.5 ET Streets, and Caltracks with monoleafs. Car hooks good, just cannot hold the clutch.
Just hoping some of the other stick shift guys on the forum have a clutch that they really like. The SPEC was only rated at 600 ft lbs, and I'm sure that was in a lighter car.
1966 Plymouth Belvedere 520" RB w/ Indy 440-1 Heads FiTech Fuel Injection TKO 600 conversion [img] https://flic.kr/p/2j1ejsK[/img]
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Re: Need clutch suggestion
[Re: 1badmopar]
#1284403
08/14/12 10:35 AM
08/14/12 10:35 AM
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Joined: Jan 2003
Posts: 2,046 MD
RTSE4ME
top fuel
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top fuel
Joined: Jan 2003
Posts: 2,046
MD
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I am in the process of installing a Mcleod RXT twin disc on my Challenger with a TKO600. There are a couple people on here that gave it good reviews. Mcleod makes 2 versions a RST and RXT. RST has organic discs and the RXT has ceramic discs similar to their 600 series disc. http://www.mcleodracing.com/products/RXT+Twin+Disc.mcl
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Re: Need clutch suggestion
[Re: RTSE4ME]
#1284404
08/14/12 11:42 AM
08/14/12 11:42 AM
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Joined: May 2004
Posts: 453 Holly, MI
JackGTX440
mopar
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mopar
Joined: May 2004
Posts: 453
Holly, MI
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I too would say the McLeod dual disk. It should hold no problem.
Jack Irons Jr.
'67 GTX, turbo 6.1 HEMI
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Re: Need clutch suggestion
[Re: 1badmopar]
#1284408
08/15/12 01:51 AM
08/15/12 01:51 AM
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Joined: May 2009
Posts: 511 Temperance, MI
68 HEMI GTS
mopar
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mopar
Joined: May 2009
Posts: 511
Temperance, MI
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call spec and talk to them, i had a 3+ in my dart for a short time. had a issue with it slipping. sent it back to them and they fixed it up. hit so hard when i got it back the trans broke. then i decided i needed a slipper clutch.. still have it, sure i'll use it in a serious street car one day.
68 Dart GTS "HEMI" 10.30 @ 131 pump gas street car 3780# 69 Roadrunner 511 six pack 10.92 drive to track street car
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Re: Need clutch suggestion
[Re: 68 HEMI GTS]
#1284409
08/15/12 12:49 PM
08/15/12 12:49 PM
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Joined: Jan 2003
Posts: 2,364 PA
70HemiGTX
top fuel
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top fuel
Joined: Jan 2003
Posts: 2,364
PA
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Quote:
call spec and talk to them, i had a 3+ in my dart for a short time. had a issue with it slipping. sent it back to them and they fixed it up. hit so hard when i got it back the trans broke. then i decided i needed a slipper clutch.. still have it, sure i'll use it in a serious street car one day.
This is what I'm afraid of......
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