AIRCRAFT CYLINDER REPAIR has a specialized service rating for air flow matching of cylinder intake and exhaust ports for OEM and PMA cylinder assemblies. All work is done under our Repair Station Certificate in accordance with FAA technical data: Process Specification for Flow Matching Intake and Exhaust Ports Manual by AIRCRAFT CYLINDER REPAIR. Work done thru the repair station is to standard category aircraft. We also do flow matching for experimental category aircraft. FLOW MATCHING The purpose of flow matching is to balance airflow thru the intake and exhaust ports of a cylinder resulting in a more even flow thru the combustion chamber of the cylinder. Airflow is balanced by adjusting airflow thru the intake and exhaust ports. The ports of a cylinder can show a 10% or up to 20CFM difference in airflow between cylinders resulting in uneven performance and loss of power. The procedure for flow testing is to simulate airflow thru the intake and exhaust ports using a flow bench at a constant test pressure. The flow test is performed using six different valve lifts to maximum valve lift .Each cylinder of a set of cylinders is analyzed through the flow testing procedure to establish which intake and exhaust ports have the highest flow.The remainder of the ports are adjusted to match the highest flowing ports within specification. A customized computer program is used to calculate all test results and generate graphics for each cylinder. Ports are matched within 1% for the intake and 3% for the exhaust. BENEFITS OF FLOW MATCHING

Increased Performance! Increased Power! Smoother running engine! More Efficiency!

For shipping and pricing information contact us: info@AircraftCylinderRepair.com Toll Free 800-622-7101 AIRCRAFT CYLINDER REPAIR P.O.BOX 26481 LAS VEGAS, NV 89126