Rx-7's and rotary engine automobiles. This site has information and links to other sites for Mazda rotary engine automobiles and auto enthusiasts in general ...

Racing parts catalog. Over 3000 Mazda competition racing parts available. Select multiple search criteria to find the parts you are looking for quickly and ...

To convert an LR system to an LS system you must change the "R" circuit to an "S" circuit by moving the wire connected to the alternator to a constant battery ...

The Exhaust Gas Recirculation valve can be easily disabled on 93 non-California spec cars by simply plugging or removing its vacuum line.

The kit comes complete with everything needed to do a thorough install. Provided in the kit are nitrous and fuel jets for a 55, 65, or 75hp shot.

1979: Engine was a 12A (1200 cc producing 100 HP) with 3 electrode sparkplugs. Only leading plugs fired under certain conditions.

Boost gauge -- Allows you to diagnose performance and boost problems. · Down pipe -- Replaces the stock pre-catalytic (pre-cat) converter with a three inch pipe.

The car's Engine Control Unit (ECU) uses the oxygen sensor to determine how lean or rich the car is running and adjusts the air/fuel mixture accordingly.

The 3rd gen RX-7 uses an "open loop," non-feedback boost controller. · Air pressure in the wastegate actuator controls the wastegate which varies boost.

Polishing the metal was easier than I expected. The key is to make sure you have a consistent wet sanding 600 grit finish on your aluminum part before you ...