Zjautoparts Lee's Blog – January 2016 Archive (22)

Remove the needle retainer from the zjautoparts slider. Push the needle up into and then out of the slider. Remove the locator clip on the needle with the pliers.Also check for vacuum leaks or cracks in the air induction system. This could let in too much air and prevent the engine from starting.

Replace the locator clip in a lower slot to raise the needle and make the mixture more rich, or in a higher slot…

 We do know the zjautoparts was also modeled after the Rochester Quadrajet carburetor with sizable secondaries and small primaries. Secondary operation is similar to the Quadrajet with mechanical function and vacuum-operated air valves, which make the transition from primary to secondary crisp and smooth when properly tuned. When secondaries are fully opened, overwhelming manifold vacuum opens the air valves.…