How easy is it to rebuild a rotary engine?
You mean a Wankel engine !, yes, they are very easy to rebuild because they don’t have pistons or con rods , valves etc, you just have to replace the rotor tips every now and then to keep the engine in tip top condition..these engines are a good revolution but their downfalls are the rotor tips, the poor fuel …
How often do you have to rebuild a rotary engine?
Rebuilding a Wankel at 80,000-100,000 miles is typical, and earlier than most piston engine need such exhaustive work.
Do the RX7 and RX8 have the same engine?
RX7 VS RX8: Powerplant They may be both rotary engines, but they are fundamentally different. For one, the 13B-REW touts a laudably well-engineered sequential turbo system, while the RENESIS is just naturally aspirated.
How long can a RX7 last?
150,000 miles
Carefully-maintained, both the Mazda RX7 and RX8 can be very reliable. Jean-Pierre Derdeyn of rotary-specialist shop Derwin Performance told Hagerty that rotary engines can last for 150,000 miles or more without issue if maintained correctly.
Why did they stop making RX7?
Production ceased in 1991 after Mazda marketed a limited run of 500 examples for 1992 for the domestic market only. In markets outside the US, only the turbocharged version of the convertible was available.
What goes wrong with rotary engines?
Rotary engines have a low thermal efficiency as a result of a long combustion chamber and unburnt fuel making it to the exhaust. They also have problems with rotor sealing as a result of uneven temperatures in the combustion chamber since combustion only occurs in one portion of the engine.
Is 13B reliable?
The 13B-REW is not a reliable engine if it is not properly taken care of. While the 13B gets a bad reputation for reliability, it is often caused by negligent owners. However with that being said, the 13B REW does have a number of common problems of its own that tend to occur regardless of maintenance.