I know what you mean about that pedal. There is a way to adjust the resistance by putting the spring end(s) into different holes on the front side of the firewall (mine has a spring within a spring). You can sort of reach it from under the car, but its hard to see. It makes a big difference.

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1985 380SE Blue/Blue - 230,000 miles
2012 Subaru Forester 5-speed
2005 Toyota Sienna
2004 Chrysler Sebring convertible
1999 Toyota Tacoma