Rotary Engine FAQ 0308

Questions answered in the Rotary (Engine) FAQ:

1.How does a rotary engine work? 2.What's a boinger? 3.Why does a rotary engine make as much power as a boinger twice its size? 4.Why does a Renesis make so much more power than prior rotaries? 5.How reliable is a rotary engine? 6.Is the rotary engine dead? 7.What do the 10A, 12A, 13B & 20B Mazda engine designations mean? 8.Why two spark plugs for each rotor? 9.What spark plugs should I use? 10.Why does my rotary Mazda have an oil cooler? 11.What oil should I use? 12.Should I use synthetic oil? 13.Do oil brands matter? 14.How often should I change my rotary engine's oil? 15.Should I mix oil in the fuel? 16.What's the best fuel for my rotary car? 17.What gas mileage should a rotary get? 18.Does a rotary have any booby traps I need to watch out for? 19.Will removing my thermostat help my rotary run cooler or make more power? 20.When should I shift? 21.What is an apex seal? 22.How do I know if my engine's apex seals are OK? 23.What should my engine's compression be? 24.What are the differences between earlier & later Mazda rotaries? 25.What are the differences between 6-Port & 4-Port rotaries? 26.How do I tell a 12A from a 13B? 27.What is a thermal reactor? 28.What's the best way to test changes I make that affect my car's power? 29.What if I switch to a light flywheel? 30.How do I get the old flywheel off? 31.How hard is it to stop oil from leaking? 32.O-rings? What o-rings? 33.What's that foamy stuff under the oil fill cap & inside the filler tube? 34.Why does my engine smoke when I first start it? 35.Why does my engine smoke when I shift at high RPM? 36.Why won't my engine start? What can I do to start it? 37.Why is my engine locked up, and what do I do about it? 38.My engine just failed its emissions test. Now what do I do? 39.What's the best way to make my rotary car accelerate quicker? 40.How hard would it be for me to rebuild my rotary? 41.What is porting all about? 42.Can I add a turbo to my NA? 43.Why is rotary exhaust replacement or improvement so expensive? 44.Why not hollow out the cats? 45.How do I remove my air pump? 46.How do I stop the backfiring? 47.How can I tell if my car has a limited-slip differential? 48.Where can I race my rotary car? 49.Corvttes, Mustngs, Firbirds, Camros, Porches & RX7s? 50.What are the RX-7 "generations"? 51.Which model RX-7 do I have? How do the various RX-7 models differ? 52.What other regular production cars have had rotary engines? 53.Why did Mazda stop selling the RX-7 in the US? 54.How do I subscribe/unsubscribe to the mailing list? 55.Is there an RX-7 club I can join? 56.My question's not on this list. Where do I go from here?

Plus, links to the RX-7 generational FAQ; tech goodies, such as the "Rotary Parts Interchange" & "replacing 12A with 13B", in "The Garage"; links to information on upcoming rotary models and rotary history; acronymn dictionary; instructions for subscribing to mailing lists; links to vendors, like:

Gallery Group Mazda Mazda Auto Recycling Mazdaformance Mazdatrix Racing Beat Rotary Performance Online Yaw Power Products

and much more.

Just click on URL below to get to Felix's.

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Felix Miata
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