C.C.S. Engines

Have "thermo air cleaner" for control of carburetor air temperature. A.I.R. Engines  - Also have air pump for air injection in engine at exhaust valve ports.

• 1968 BUICK 250" 6 CYL. POOR WARM-UP OR TIP-IN HESITATION CORRECTION: Fast idle cam Part No. 7034044 has been replaced by Part No. 7036239 to improve warm-up. Float level adjustment specification has been changed from 3/8" to 5/16" to prevent tip-in hesitation. Hold float retaining pin firmly in place and push down on outer end of float arm against top of float needle. See "Float Level (Off Engine)" under Adjustments for remaining procedure.