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06-26-2007, 02:35 PM
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CC Member
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Join Date: Oct 2006
Cobra Make, Engine:
Posts: 8
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Not Ranked
backdraft wilwood slaves
Just had my first clutch failure. The shaft unscrewed from the slave and I understand from Reg this has been a problem. Simple solution is to remove the slave cylinder, unscrew the end cap, push the piston out to expose it. Idrilled a 3/32'' hole through the piston and shaft and installed a split pin (3/32) through the piston /shaft assembly. The hole is drilled through the CONE on the piston. There is no way this thing will come off again.
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06-26-2007, 03:25 PM
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CC Member
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Join Date: Nov 2004
Location: Jupiter, Fl & Thomasville, Ga,
Fl
Cobra Make, Engine: BDR # 165 392 Ford Crate 430HP
Posts: 503
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Not Ranked
This is a common problem my clutch went out once and sure enough it was rod was loose in slave cylinder. Seems wilwood would put out a better product.
__________________
Like a kid in the candy store I just can't get enough
Current rides GT500 & Backdraft
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06-26-2007, 04:36 PM
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CC Member
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Join Date: Jul 2006
Location: Chandler,
AZ
Cobra Make, Engine: Backdraft #101, 392 Ford Motor
Posts: 29
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Not Ranked
Same Problem, Similar Fix
I incurred the same failure with my Wilwood slave cylinder! I was luckily within a mile of my home and I limped home in second gear.
I also fixed the shaft to the piston with a pin. Works great and no leaks!
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07-01-2007, 08:13 AM
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CC Member
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Join Date: Jul 2004
Location: Cypress,
TX
Cobra Make, Engine: BDR #491, Red with Black Stripes, 438 Windsor by Keith Craft Racing dynoed at 640hp, Street and Race Prepped.
Posts: 308
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Not Ranked
Also, thread locker blue works great. I have used thread locker on the last few with no problems. Put it on the input shaft, retaining nuts, and mount.
Best of luck, James
__________________
Radical Roadsters of Texas LLC
www.radicalroadsters.com
Backdraft Racing Dealer
281-804-5730
Watch out! You may get BIT!!! 
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07-16-2007, 09:23 PM
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CC Member
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Join Date: Mar 2006
Cobra Make, Engine: BDR354/FMS392
Posts: 382
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Not Ranked
 On Sat, found a puddle under the car. My Wilwood slave leaked out the front. I took the slave apart and also found that the rod was starting to back out. I think I will try thread lock first as I am not sure how easy it is to drill the cone for a locking pin.
Does have a guess at why it was leaking? I was thinking the seal has gone bad..?
Does anyone know what the Wilwood slave rebuild kit consists of?
Thanks! |
07-16-2007, 09:26 PM
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CC Member
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Join Date: Mar 2006
Cobra Make, Engine: BDR354/FMS392
Posts: 382
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Not Ranked
Will try posting the pic again...
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07-16-2007, 09:34 PM
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CC Member
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Join Date: Mar 2006
Cobra Make, Engine: BDR354/FMS392
Posts: 382
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Not Ranked
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07-16-2007, 11:33 PM
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CC Member
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Join Date: Jun 2004
Location: Plano,
TX
Cobra Make, Engine: #42 BDR w/ a 408 KCM stroker
Posts: 605
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Not Ranked
Mine I did kinda custom w/ Robert helping, will try to post pics but so far so good, think I'm running a different style than ya'll
__________________
2006 King Ranch F150 Supercrew
Personal vehicles-2007 Escape
2004 BDR #42 with a 408 Keith Craft Stroker, Crimson with Silver stripes
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07-17-2007, 06:52 AM
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Backdraft Racing Dealer
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Join Date: Dec 2004
Location: North Haven,
CT
Cobra Make, Engine: Backdraft Racing
Posts: 5,122
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Not Ranked
This is our current setup that seems to be working extremely well. It took a lot of trial and error to settle on this final setup:
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07-17-2007, 08:55 AM
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CC Member
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Join Date: Feb 2007
Cobra Make, Engine:
Posts: 19
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Not Ranked
Jay: Picture was a little dark so I couldn't see the details. Is this the setup I have on 481?
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07-17-2007, 09:13 AM
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CC Member
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Join Date: May 2001
Location: California,
Ca
Cobra Make, Engine: NAF 289 Slabside Early Comp Car with 289 Webers and all the goodies. Cancelling the efforts of several Priuses
Posts: 6,592
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Not Ranked
Red Locktite #242 on threads into cup...........never worry again.
__________________
Rick
As you slide down the Banister of Life, may the splinters never be pointing the wrong way 
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07-17-2007, 10:07 AM
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Senior Club Cobra Member
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Join Date: Nov 2006
Location: Prince Frederick,
MD
Cobra Make, Engine: BDR #212, 392 stroker
Posts: 147
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Neutral
Jim,
Nice cruise on Sat.
Your Cobra sounded great when you were leaving Billy's. 
Looks like the next one is in St. Mary's, should be a blast.
__________________
Ned
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07-17-2007, 11:12 AM
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Backdraft Racing Dealer
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Join Date: Dec 2004
Location: North Haven,
CT
Cobra Make, Engine: Backdraft Racing
Posts: 5,122
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Not Ranked
Quote:
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Originally Posted by rngnkr
Jay: Picture was a little dark so I couldn't see the details. Is this the setup I have on 481?
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Yes, or extremely close. |
07-18-2007, 08:43 PM
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CC Member
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Join Date: Jul 2004
Location: Cypress,
TX
Cobra Make, Engine: BDR #491, Red with Black Stripes, 438 Windsor by Keith Craft Racing dynoed at 640hp, Street and Race Prepped.
Posts: 308
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Not Ranked
Mark, you can also get a rebuild kit for the Wilwood Slave cylinder at Summit Racing:
http://store.summitracing.com/partde...5&autoview=sku
It's fairly easy to rebuild.
Bests, James
__________________
Radical Roadsters of Texas LLC
www.radicalroadsters.com
Backdraft Racing Dealer
281-804-5730
Watch out! You may get BIT!!!
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07-22-2007, 12:06 PM
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CC Member
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Join Date: May 2003
Location: Jupiter/Tequesta,
FL
Cobra Make, Engine: BDR#078,408 Dart Block, TKO 600,Indigo Blue, White Stripe
Posts: 315
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Not Ranked
My Wilwood came apart twice, both times on the track. After the first failure I used locktite, but I think the brake fluid go to it.
I replaced the Wilwood with an almost identical product but at half the price form Speedwaymotors.com. The rod is "peened" to the piston.
__________________
JayB
Jupiter, FL
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08-02-2007, 03:19 PM
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CC Member
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Join Date: Jun 2004
Location: Plano,
TX
Cobra Make, Engine: #42 BDR w/ a 408 KCM stroker
Posts: 605
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Not Ranked
Well today my linkage snapped (threaded stud that connects to the clutch fork) Was wondering and maybe you can answer this Mark Brye if I have to take apart the slave cylinder or can I just unscrw the rod and put a new grade 8 stud in it's place
__________________
2006 King Ranch F150 Supercrew
Personal vehicles-2007 Escape
2004 BDR #42 with a 408 Keith Craft Stroker, Crimson with Silver stripes
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08-02-2007, 06:12 PM
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Senior Club Cobra Member
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Join Date: May 2005
Location: Glendale,
CA
Cobra Make, Engine: Backdraft #395 from Vintage Motorsports; Valley Ford Specialist 487 FE with a TKO600
Posts: 498
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Not Ranked
Guys, try the HOWE Racing slave. I replaced two Wilwood slaves with this one and have not had a problem since.
http://store.summitracing.com/partde...5&autoview=sku
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08-02-2007, 09:38 PM
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CC Member
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Join Date: Mar 2006
Cobra Make, Engine: BDR354/FMS392
Posts: 382
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Not Ranked
I think I would take apart the slave cylinder. If you just take the rod out, and put thread lock on it, you may get threadlock on the seals. Also, you will not be able to keep the cylinder from sliping in the slave housing when tightening the rod. I would also buy the summit rebuilt kit if you have the Wilwood Slave. I think its like 13 bucks. Then you will have new seals and will not have to worry about any leaks in the near future. Hope I am understandable, had a few drinks |
08-02-2007, 09:41 PM
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CC Member
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Join Date: Mar 2006
Cobra Make, Engine: BDR354/FMS392
Posts: 382
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Not Ranked
If you need a Wilwood rod, I will mail my old one to you. Rod looks in good shape. Just the seal went bad in the slave cylinder housing.
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08-02-2007, 09:54 PM
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CC Member
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Join Date: Jun 2004
Location: Plano,
TX
Cobra Make, Engine: #42 BDR w/ a 408 KCM stroker
Posts: 605
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Not Ranked
well I broke the same rod, so I am going to try to get a good grade 8 stud and that should solve the current problem
__________________
2006 King Ranch F150 Supercrew
Personal vehicles-2007 Escape
2004 BDR #42 with a 408 Keith Craft Stroker, Crimson with Silver stripes
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