1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Installing Cosmo CAS -- Correct Timing?

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Old 03-22-07, 08:56 AM
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Installing Cosmo CAS -- Correct Timing?

I have a Cosmo engine, and I need to install the CAS. The front cover is a 12A piece from an early RX-7. Chilton's suggests I line up the timing mark on the front pulley with the pointer on the front cover, line up the nubs on the CAS gear and the CAS casting, and install. The HITMan site shows two different tooth configurations. What's the simplest and best way to do this? Also, what are the timing marks set to on the Cosmo pulley? It seems like most later engines have marks at 5 ATDC and 20 ATDC. Is this what I have? Does anybody know where to / how to get a Cosmo FSM?
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