These are intended to be GENERAL statements regarding the build-up of your car. As was said, it is extremely important that you have, read, and UNDERSTAND the GCR as it pertains to your car. This forum is an excellent source of info, but will not stand up under appeal if anyone here provides you with incorrect information. That said, here goes:
1) Roll cage - Six point minimum, max eight point allowed, details in the GCR.
2) Engine - rebuild to factory specs allowed, including balancing and blueprinting. No porting allowed on rotary engines. Intake is free in front of the AFM, but must remain stock from AFM to throttle body. No ram air. Exhaust is free but must exit car behind the driver.
3) Suspension - Coilovers allowed but only as sleeves installed over smooth-body shocks/struts. No threaded body shocks. As of 1/1/03, no more than 2 adjustments on shocks, and no resevoir-type units. Any shocks/struts as long as they use the OEM mounting points. Sway bars are free. Bushings can be changed, but consult other threads on this forum for opinions on what is legal.
4) Chassis - Interior trim can be removed. Exceptions would be the dash, door panels (unless replaced w/ .060" alum), and the heater core. A/C can be removed. Seats can be removed and driver's seat can (read: should) be replace w/ a proper racing seat.
5)Wheels/brakes - 15x7 maximum size for RX7s. Any DOT legal tire, any wheel offset allowed provided the tire does not stick out beyond the fender. Since you have a GXL, you have the proper 4-puck brakes, any pad is allowed. Brake lines are open so use the braided type for safety. Calipers and master cylinders must be stock.
That's a start. The glory is in the details. You can do very little and go racing early on, or you can decide to do it all before getting out there. Your choice. Concentrate on safety first, reliability second, and then legality and competitiveness from then on. Good luck with your project.
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Chris Wire
Team Wire Racing
ITS Mazda RX7 #35
[email protected]