11-30-07, 11:39 PM
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#86 (permalink)
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| CESLAW Gold Supporter 
Join Date: Oct 2006 Location: Illinois
Posts: 313
Rep Power: 5  | Re: Chuck and Ryan's RCR Build Adjustable Pedals Ryan is about four inches taller than me; a possible dilemma in a car fit to a specific driver. To give us a bit of flexibility, an adjustable pedal mount was sought. With Fran’s good guidance, we tried a unit from CNC, Inc., San Diego, California. It raises the pedal assembly only a quarter of an inch. The base plate is made from a nice machined piece of aluminum. Centering it under the pedal assembly, we were able to find enough area to drill the mounting holes for the four slide bolts. To adjust the pedals one pulls it backwards and then replaces it in a different set of mounting holes. Simple, neat, and functional. www.cncbrakes.com Although the pedals could be adjusted to a comfortable position for me, getting enough forward travel for Ryan while assuring there was enough space for his size 11 foot to rest on the gas pedal was an issue. The clutch master cylinder extends back far enough that it interferes with the suspension bracket housing when the pedals are pushed forward. Some on line research (I cannot imagine this sort of project without the internet) revealed that Wilwood makes a smaller cylinder, “Compact Remote Master Cylinder”, part 260-7577, which has almost the exact same fluid volume. It is significantly shorter in overall length, giving more travel distance on the adjustable bracket. With this shorter master cylinder, the pedal assembly can be adjusted forward even farther than necessary to accommodate Ryan, so that a driver well over six feet tall with big feet should fit. Getting the supplied hydraulic hoses to fit was a challenge, given the adjustable pedals and the need to push the pedal assembly forward to accommodate Ryan.. Although the straight hoses will work we decided to purchase three 16” hoses with a 90 degree fitting on one end. (Earls EAR-630117 16, from Summit). This resulted in a better fit on the clutch as well as the brake master cylinders and will minimize twisting when the pedals are adjusted fore and aft. |
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