Buick Wildcat & Riviera
With choke valve wide open and throttle closed, make certain rear carburetor throttle valves fully closed. With front and rear carburetor throttle valves fully closed, adjust turnbuckle on interconnecting rod until it just contacts trunnion at front carburetor, then back off turnbuckle one turn for proper clearance, tighten locknut. Hold rear throttle rod fully rearward adjust front bolt so that throttle levers on both carburetors contact their wide open stops at the same time.