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Clutch and Brake Pedals ?

Started by drew43a, August 02, 2019, 02:51:39 PM

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drew43a

I am making headway on getting my 70 Cuda 340 4 speed car back together and was looking for some opinions on the clutch and brake pedals.
Being that the clutch pedal is at a fixed height once all the linkages are connected,  i was wondering if the brake pedal should be at the same height?  or maybe above the clutch pedal or maybe slightly lower then the clutch pedal. i have an adjustable link which i can make the pedal pretty much any height and not effect the travel for the booster or master cylinder. any thoughts on what height it should be in relation to the clutch pedal?  thanks for any input on this.

JS29


70 Challenger Lover

I'd find a way to re-engineer the clutch pedal a bit. With the over center spring, it is designed to engage and disengage near the middle to top end of the stroke which is not very comfortable for driving.

This is my first Mopar with a four speed but I've driven dozens of other makes with a manual trans. This design is the worst in my opinion. If you adjust the clutch so it engages and disengages closer to the floor, the over center spring won't allow the pedal to fully return to the top so the throwout bearing never gets fully released. If you adjust it so that the pedal does pop up fully, then you are feathering the clutch high off the floor which is very uncomfortable in traffic situations.

I'm actually considering looking at a way to add a small secondary spring under the dash to pull the pedal back up the the top. It wouldn't take much, just enough to help it get past the fulcrum point of that stupid over center spring. Even if you ditched the Borg and beck clutch and over center spring in favor of a diaphragm clutch setup, I'd think you would still need some sort of small spring to pull the pedal back to the top otherwise the the weight of the pedal would drop down, take out the slack, and the throwout bearing would always be spinning. Other pedal assemblies from other makes that I have examined have such a return spring either as part of the pedal assembly or in the engine compartment somewhere.


RUNCHARGER

They both sit at the top of their travel, evenly.
Sheldon