Changing the clutch over center spring.

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LovetheA's

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I've been doing some research on line and can't find the answers I'm looking for. I believe I have a centerforce diaphragm clutch in my BB 4 speed dart and the clutch pedal is still a bear to push and hold down. I'm a pretty healthy strong guy but after driving in stop and go traffic it takes a toll. Assuming all my clutch linkage is up to snuff and my bushings and z bar are in order can I change the over center spring to reduce clutch pedal effort? I will say that because I have older tti headers on the car and it is a 4 speed a friend of mine had to modify the z bar to work with the headers. I'm wondering if that change in geometry could be a reason for the hard pedal. If I can change the spring do I need to go thicker more coils or thinner with less coils?

Carl
 
If you have a diaphragm clutch, you shouldn't be running an overcenter spring on the pedal at all. You're supposed to remove them completely for a diaphragm clutch.
 
72bluNblu said:
If you have a diaphragm clutch, you shouldn't be running an overcenter spring on the pedal at all. You're supposed to remove them completely for a diaphragm clutch.
Click to expand...
Agreed if he does have the diaphragm plate I'm surprised it doesn't have a catch in it someplace IE acts like it sticking -- been there done that
 
Get rid of it and get a double disk set up they work great, no pedal effort.
Once you have one you will never go back to a single disk. More $$$ up front but way better in the long run plus they can take all the power you can give them.
 
brian6pac said:
Get rid of it and get a double disk set up they work great, no pedal effort.
Once you have one you will never go back to a single disk. More $$$ up front but way better in the long run plus they can take all the power you can give them.
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Thank you for the advice on a new clutch setup.

Carl
 
LovetheA's said:
Assuming all my clutch linkage is up to snuff and my bushings and z bar are in order can I change the over center spring to reduce clutch pedal effort?

Carl
Click to expand...

I'll bet something is binding in the linkage somewhere, you might want to start pulling things apart and checking for dry or worn out bushings. I would check everything from the clutch pedal to the the throw out bearing, you'll be amazed what a little bit of grease can do.
 
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