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Old 11-29-2012, 01:49 PM
lildrip049 lildrip049 is offline
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1966 nova idle arm issue

I have a 1966 chevy II nova ss that I need to replace the idle arm. I bought a high performance idle arm from classic industries in CA that is the same design as the original idle are (S shaped with bushings on each end. The end of the existing idle arm that is attached to the frame had 2 washers on the bushing side that has a nut that screws onto the idle arm shaft. The nut is held in place by a cotter pin. My issues are:
1. I believe that there should be a washer on both sides of the upper arm, 1 between the nut and the upper bushing and 1 for underneath the upper part of the arm between the upper bushing and the metal of the arm..not 2 between the upper part of the arm and nut that a cotter pin goes thru...i need to confirm the placement of washers on the original style idle arm.
2. When putting in the new idle arm it appears that the top nut cannot be tighten real tight or it will wear the lower bushing and the arm will not swivel. I need to confirm this thought.
3. Is it better that i do not put in the old "original style" idle arm and put in an aftermarket like a moog high performance design having bearings...if i put in the new design do i create other issues in replacing the idle arm.
thx russ
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