The rotary engine is actually very reliable, no matter what anyone says. Odds are that a person saying the engine is not reliable doesn't know what they are talking about, modded his/her car improperly or didn't take care of their engine.
All 3rd Generation RX-7s (1993-present) are twin sequential turbo, twin rotor 13B-REW engines. There were no naturally asiprated, single turbo or three rotor 3rd gen. RX-7s produced from the factory.
The different generations of RX-7 are usually referred to by a two letter code taken from the VIN number. First generations ('79-'85) are FBs, second generations ('86-'91/92) are FCs and third generations ('93-present) are FDs.
The rotary's strong exhaust pulses are also much better for driving a turbocharger than a piston engine.
The rotary engine burns oil by design, unlike piston engines that burn oil as they wear out.
Rotary engines respond to common modifications like intake and exhaust much better then piston engines. However, if you have a turbo rotary and perform the preceding modifications, it is now time to upgrade the fuel system. If you don't, you will most likely run lean, detonate and then blow the engine.
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