Unless I am mistaken I do not see any references to the Cruzer powered by a Corvair engine. Is this combination not compatible?  Possibly not enough HP?

Any insight or references to this topic would be appreciated.

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I am currently going this route with a 3.0 120HP Corvair.  There are several STOL 750s flying with Corvairs, so if it will pull a high-drag STOL through the sky, the Cruzer will be a cake walk.
If you do a You Tube search on Zenith Corvair, you will find a few videos of 701s and 750s with Corvairs in them. My favorite one is

since it really lets you hear the awesome sound from the 6 cylinder Corvair on takeoff.

A Corvair would be a very appropriate engine choice for a Cruzer. The real question is - do you want to BUY an engine or do you want to BUILD an engine?


I am also building a 3.0L powered Cruzer. I think it will be a great combination.  All of the fwf parts are available from WW. 

Hi Alan, I have a flying 750 Cruzer featuring a 3100 cc 120 HP Corvair conversion running a Sensenich 60” ground adjustable prop.  Great power combo.  I used Azalea Aviation to acquire and build the engine and later assist in the install.  I am pleased with the powerplant and everyone who hears my 6 cylinder engine notes how beautiful it sounds.  Tons of power on this combo.

John Minatelli

Hi again Alan, I’ve added a photo for you.


I too am using the same setup as yourself. Any issues with the location of your cooler?  Would you place anything in a different place for cooling?

Also what fuel line setup did you install? I need to order it. ASAP


I'm building one now.  It runs and sounds great.  Airplane not flying yet.  Can't say enough good things about flywithspa.com.  Thanks Dan, Rache and Lisal


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