Kinsler_Handbook_#32 December 2017

Kinsler Fuel Injection, Inc, 1834 THUNDERBIRD TROY, MICHIGAN 48084 U.S.A. Phone (248) 362-1145 Fax (248) 362-1032 65 1) Though a manifold may look quite rigid, it flexes when bolted down. 2) The throttle shaft is steel and the manifold is magnesium or aluminum. As the manifold heats or cools, it grows longer or shorter than the shaft, so the edges of the throttle plates are pushed into the sides of the throttle bores. This causes drag and greatly increases wear into the sides of the throttle bores. 3) Due to production tolerances, we find that in most brands of manifolds the throttle shaft bore in the front runners rarely lines up exactly with the one in the rear runners.... this puts the throttle shaft in a bind. 4) If the throttle shaft has a slight twist in it, the front throttle plates are open slightly more than the rear ones. Without the Spring-Screw link there is no way to correct it. On Kiekhaefer Chev manifold On Crower Chev manifold © 2017 KINSLER SPRING-SCREW UNIVERSAL THROTTLE SHAFT LINKS How these links can help YOU ! Our combination slip and universal spring-screw links fix all of these problems. Installed on Kinsler Ford manifold Installed on Kinsler Ford manifold - CONTINUED - A manifold having a one piece throttle shaft going all the way through it can experience throttle sticking because :