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Friction Lock Throttle
This worked for me. I kinda like the tee handle but thought the pinch friction block would be less than adequate. I used a compression union for 3/8 aluminum air conditioning line (the union is steel) tossed the ferules, welded a washer on one end of the body close to the hex part stuck it through the hole in the dash put another washer on the back then the nut. On the throttle rod ( I used 1/4 stainless) goes the other nut, a 5/16 brass ferule then a slightly modified 1/4 in collet from a roto zip. This then went through the stuff on the dash and tightened down. The tightness of the nut against the collet gives variable friction. Works great, fingertip control from locked solid to easy rod movement <1/4 turn, the only trouble I had was that the rod came out of the dash panel at an angle other than 90 deg and I had to machine a wedge type washer from aluminum bar stock to compensate for that angle. Grand total? less the 25 bucks, 1 day thinking, 4 hours doing. Sears sells the collets, Everco makes the unions. Roy Szarafinski
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