Corvair 164 cu. in. 110 Hp Engine

     My first Corvair engine was built in accordance with William Wynne's Conversion Manual.  The engine used William's distributor, and prop hub.  It was assembled by myself  with much help from William in William' shop.  It has stainless exhaust valves and has a turbo cam.  I will be adding a front bearing so I can use a constant speed prop.  After test running the engine and mounting it on my plane, people started breaking the Corvair crank.  I tore the engine down and replaced the crank as recommended By William.  I went with the Fireball Electronic Ignition William is using.  

Cylinder studs being painted.	Cylinders being painted.	Short block assembly completed.	Heads on the engine.
Pushrod tubes and bottom of engine.	Prop hub and top plate on the engine.	Ready to install rear housing.	Adding oil lines and ignition cables.
Mounting the starter.	First run of my corvair engine.	Engine running on William Wynne's test stand.	Engine Break-in after swapping for nitrited crank.
Bill Clapp's engine test stand.

     By the Summer of 2009 there were several Fifth Bearing units being produced.  Williams had been tested, but was not in production.  Roy's  bearing did not use a thrust bearing to save weight, but left the starter and flexplate up front.   Dan Wiessman's bearing is not a thrust bearing.  It can be added without disassembling the engine,  I talked with Dan and he said he would recommend deciding which would be best for me, as it doesn't take that long to tear down an engine.   I decided on one made by AeroMax Aviation.   All the fifth bearing designs have low time actually running.  I decided to build a second engine and keep this engine as a spare.  It will later be used on another aircraft.  Click here for information on my second engine.