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Author
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Topic: 03 Cobra Shifting Problem?
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hidnn.o.s.
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Member # 1219
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posted
 
 
A friend has an 03 Cobra making 450RWHP. When he's at the track racing and is shifting from 3rd to 4th at high RPM's it will not allow it to go into 4th until the RPM's drop. The car has LESS than 10k miles. Suggestions?
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R.I.P. Willie G. You are missed on this forum
Posts: 15950 | Registered: Apr 2002
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TRIXSNK
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Member # 2844
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posted
Very, very common problem with theses cars almost like you hit a wall before it can get in.
I assume everything is stock in regards to the clutch set-up...........most people throw on a firewall adjuster and quadrant and it seems to help quite a bit.
Something i still need to do this winter ![[Roll Eyes]](rolleyes.gif)
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9 Sec EVO 9 is GONE!
New project in the works.......
Posts: 3740 | From: Bay Area | Registered: May 2003
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hidnn.o.s.
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Member # 1219
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posted
Any specific brand you guys know that is the "best" so to speak?
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R.I.P. Willie G. You are missed on this forum
Posts: 15950 | Registered: Apr 2002
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TRIXSNK
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Member # 2844
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posted
I'm going to put Fiore products on mine.
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9 Sec EVO 9 is GONE!
New project in the works.......
Posts: 3740 | From: Bay Area | Registered: May 2003
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lostsoul
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Member # 5797
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posted
Thats why Cobras are over rated ![[Razz]](tongue.gif)
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slp/ati procharger
Posts: 80 | Registered: Jun 2005
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shamis935
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Member # 6300
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posted
quote:
Originally posted by TRIXSNK:
Very, very common problem with theses cars almost like you hit a wall before it can get in.
I assume everything is stock in regards to the clutch set-up...........most people throw on a firewall adjuster and quadrant and it seems to help quite a bit.
Something i still need to do this winter
+1 mine did the same thing i put the steeda kit from mustangtuning.com (like 100$) and it cleared it right up. i have a set-up much like TRIX and i took it out with the new DR's for some testing and it never had a problem shifting.
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'03 cobra
Posts: 47 | From: suisun | Registered: Dec 2005
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93PONY
Mr. Valve Events
Member # 60
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posted
Yep, comon problem. It's basically a clutch that's not adjusted correctly.
I've always liked the UPR stuff. The tripple-hook quadrant allows use of the stock clutch cable.....which is nice since the stocker unit is the best available. Firewall adjuster & quadrant are around $30 each.
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www.advancedenginedevelopment.com
SCT dealer
Dynotuning
(916)715-7569
Posts: 4265 | From: Fair Oaks, CA | Registered: Nov 2000
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TRIXSNK
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Member # 2844
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posted
quote:
Originally posted by 93PONY:
Yep, comon problem. It's basically a clutch that's not adjusted correctly.
I've always liked the UPR stuff. The tripple-hook quadrant allows use of the stock clutch cable.....which is nice since the stocker unit is the best available. Firewall adjuster & quadrant are around $30 each.
To add to this i think there have been reports of some people having probs with the triple hook when using the CF DFX clutch.
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9 Sec EVO 9 is GONE!
New project in the works.......
Posts: 3740 | From: Bay Area | Registered: May 2003
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Tha91SiCkNeSs
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Member # 5790
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posted
Yup, does that on mine. Haven't done anything about it though. Probably should get an adjustable.
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2003 Cobra
Posts: 565 | From: Sacramento | Registered: Jun 2005
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93PONY
Mr. Valve Events
Member # 60
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posted
quote:
Originally posted by TRIXSNK:
quote:
Originally posted by 93PONY:
Yep, comon problem. It's basically a clutch that's not adjusted correctly.
I've always liked the UPR stuff. The tripple-hook quadrant allows use of the stock clutch cable.....which is nice since the stocker unit is the best available. Firewall adjuster & quadrant are around $30 each.
To add to this i think there have been reports of some people having probs with the triple hook when using the CF DFX clutch.
Yeah I had that happen on a DFX install. If you have the clutch adjusted too tight the throw-out bearing will will actually hit the ring of weights on the Centerforce pressure plate. Certain clutch quadrants have different ramp angles than stock & will move the clutch disk more or less than stock....depending on if the new quadrant has a more or less aggressive ramp than stock.
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www.advancedenginedevelopment.com
SCT dealer
Dynotuning
(916)715-7569
Posts: 4265 | From: Fair Oaks, CA | Registered: Nov 2000
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94gt
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Member # 3060
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posted
I haven't noticed this on mine, but I'm gonna be ordering a fiore adj just to be safe.
Good info to know tho!
[ January 16, 2007, 07:01 PM: Message edited by: 94gt ]
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2020 Explorer ST
2011 Silver Raptor 'Screw
Posts: 5777 | From: Beavercreek, OH | Registered: Jul 2003
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TRIXSNK
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Member # 2844
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posted
quote:
Originally posted by 93PONY:
quote:
Originally posted by TRIXSNK:
quote:
Originally posted by 93PONY:
Yep, comon problem. It's basically a clutch that's not adjusted correctly.
I've always liked the UPR stuff. The tripple-hook quadrant allows use of the stock clutch cable.....which is nice since the stocker unit is the best available. Firewall adjuster & quadrant are around $30 each.
To add to this i think there have been reports of some people having probs with the triple hook when using the CF DFX clutch.
Yeah I had that happen on a DFX install. If you have the clutch adjusted too tight the throw-out bearing will will actually hit the ring of weights on the Centerforce pressure plate. Certain clutch quadrants have different ramp angles than stock & will move the clutch disk more or less than stock....depending on if the new quadrant has a more or less aggressive ramp than stock.
What did the customer end up with?
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9 Sec EVO 9 is GONE!
New project in the works.......
Posts: 3740 | From: Bay Area | Registered: May 2003
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93PONY
Mr. Valve Events
Member # 60
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posted
quote:
Originally posted by TRIXSNK:
quote:
Originally posted by 93PONY:
quote:
Originally posted by TRIXSNK:
quote:
Originally posted by 93PONY:
Yep, comon problem. It's basically a clutch that's not adjusted correctly.
I've always liked the UPR stuff. The tripple-hook quadrant allows use of the stock clutch cable.....which is nice since the stocker unit is the best available. Firewall adjuster & quadrant are around $30 each.
To add to this i think there have been reports of some people having probs with the triple hook when using the CF DFX clutch.
Yeah I had that happen on a DFX install. If you have the clutch adjusted too tight the throw-out bearing will will actually hit the ring of weights on the Centerforce pressure plate. Certain clutch quadrants have different ramp angles than stock & will move the clutch disk more or less than stock....depending on if the new quadrant has a more or less aggressive ramp than stock.
What did the customer end up with?
DFX with no ring & the UPR stuff.
The ring caused other issues....it did not stay centered & caused a vibration in the driveline. It was removed.
I've never been a fan of using weights on the pressure plate like this. The vast majority don't stay centered & can cause vibration problems.
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www.advancedenginedevelopment.com
SCT dealer
Dynotuning
(916)715-7569
Posts: 4265 | From: Fair Oaks, CA | Registered: Nov 2000
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