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Old 11-29-2011, 05:04 PM
Leecbr's Avatar
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Join Date: Aug 2010
Location: West Jordan, UT
Cobra Make, Engine: Factory Five MK4 427 roadster
Posts: 172
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Default Has anyone experienced this problem?

Hey guys,

I have a situation where my cobra is really stiff/hard to shift into 2nd and sometimes 3rd gear. I have a Borg Waner T5 running on Royal Purple full synthetic. This only happens at the start of my drive for the first 3 to 5 miles. It seems as if after the clutch or transmission is warmed up then everything shifts smooth.

The problem doesn't occur after the initial start of the drive. Even if it's parked for lunch or a few hours the problem isn't there when I leave. Only at the initial start of the day/drive.
Almost like the residual pressure in the clutch isn't at full pressure until it warms up.

I replaced the clutch this past summer with a new 3/4 bore Tilton Hydraulic clutch. This was what was on the car prior. I then had a new pressure plate and flywheel manufactured to match up to my transmission etc. I didn't have any problems until the outside temps got cooler.

If it were the synchros in my transmission it would be grinding or throwing me out of gear on a consistent basis. I have also adjusted the piston rod travel in my clutch, thinking the pressure plate wasn't fully disengaged. It is strange because it shifts smooth after a few miles..

Should I double clutch to build up some residual pressure in the first few miles?
So could it be the clutch internals need to be broken in more?
Is it because the new pressure plate is still new?

I've put maybe 300 miles on the new parts..

Has anyone had the same issues?

Thanks in advance for your time.

Lee

Last edited by Leecbr; 11-29-2011 at 05:18 PM..
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