Add ESR inlet restrictor
#27869 from Formula/Sports Racing Committee · Rule change · TB 20-01 (2020-01 Fastrack)
In P2 Table 1, Enterprise Sports Racer line, add to the notes the following:
"Effective 4/1/2020, the ESR 2.3L engine must have either an SIR or a Flat Plate restrictor fitted that
meets the peak horsepower specified by the SCCA. The SIR or Flat Plate restrictor must be sized in whole
or 0.5mm increments. Dyno data also must be submitted for restrictors 1.0 and 2.0mm on either side of
the restrictor size that permits the engine to meet the specified peak horsepower."