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902 Posts
After nearly 2 years with stock internals it is time to build a couple of motors. First motor will be the cheaper way by shaving the head, stiffer valve springs, & aggressive cams. Once we finish that motor and take it to the (Time Attack)road courses first in the southeast, then across the country to see what type of lap times are capable with IRTB's. I still believe a Naturally Aspirated Miata can be faster than FI in autox. While that motor is in the car we will build the bottom end up on another engine now that I carry a full line of internal parts. Thanks to this forum I will share the process so many will have a better understanding of the potential of naturally aspirated IRTB's on a special car like the Miata.
Jimmy
FujiRacing
Jimmy
FujiRacing