I am a Mazda Master Tech and a ASE Master Tech. If you need modifications done to RX-7 parts then e-mail me for prices. i also have access to all factory specs and tests for the RX-7. I can do mods like adding an igniter to the distributor for direct ignition,convert spark plugs to side fire,degree crank pulleys for Yaws 24-16,carb overhauls-rejetting-mods,oil metering pump overhauls,or anything small enough to send me. e-mail lcilek@***-internet.com