Their website says to call about the flywheels weights. Give them a call. The guys on the RXTech board say we can't do it. I still don't see why we can't. Call Mazdatrix! It's an 89NA flywheel. Ask them what counter weight we'd need.
Chris
Chris 2001.5 Dodge Ram/Cummins 2500 1986 SCCA/ITS RX7 roadracer