Request to change the Mazda 13b restrictor size
#28518 from Joe Harlan · Rule change · TB 20-08 (2020-08 Fastrack)
In GTL, Engines - Mazda 13B, change as follows:
Fuel Induction:
"24 26mm SIR"
Weight:
"1950 2125"
Notes:
"May use a 25 27mm SIR plus 175lbs."