Transcription of SERVICE - Lycoming Engines
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652 Oliver Street Williamsport, PA. 17701 Tel. 570-323-6181. SERVICE . Fax. 570-327-7101. INSTRUCTION. DATE: October 27, 2006 SERVICE Instruction No. 1517. Engineering Aspects are FAA Approved SUBJECT: timing Change for TIO-540-AK1A Series Engines MODELS AFFECTED: Lycoming model TIO-540-AK1A aircraft Engines . TIME OF COMPLIANCE: At overhaul or at owner's discretion. A slight increase in engine performance has been found by changing the engine timing from 20 BTC to 23 BTC. This modification has been incorporated in the current production of both new and rebuilt Engines . This timing change does not affect the normal operating parameters of the engine and no other engine specifications have been modified . The timing change may be incorporated in Engines already in SERVICE as follows: 1.
engines. This timing change does not affect the normal operating parameters of the engine and no other engine specifications have been modified. The timing change may be incorporated in engines already in service as follows:
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NFRP Modified Tiger King 28.5 Engine, Engines, Timing for Modified Engines, TIMING AND VACUUM ADVANCE 101, Timing, Modified engines, Your Timing for Peak Performance, Modified Compressed Air Engine Two, Engine Timing Geartrain Concepts and Proposals, Building a Hot-Rod Kohler, Modified, HIGH PERFORMANCE FORD MODULAR, Milwaukee 8 Engine Camshafts, Two Stroke Performance Tuning Chapter 3