B-Spec Balance of Performance based on 2018 and 2019 seasons
#28394 from B-Spec Committee · Rule change · TB 20-03 (2020-03 Fastrack)
Effective 05/01/2020, in B-Spec, Ford Fiesta 5dr Hatchback (12-19), make changes to the spec line as
follows:
Wheelbase:
"98 2490"
Add to beginning of Notes:
"36mm flat plate restrictor required."
Effective 05/01/2020, in B-Spec, Ford Fiesta 4dr Hatchback (12-19), make changes to the spec line as
follows:
Show 22 more lines
Wheelbase:
"98 2490"
Add to beginning of Notes:
"34mm flat plate restrictor required."
Effective 05/01/2020, in B-Spec, Honda Fit (09-12), make changes to the spec line as follows:
Wheelbase:
"98.4 2500"
Weight:
"2550 2525"
Effective 05/01/2020, in B-Spec, Honda Fit (15-20), make changes to the spec line Notes as follows:
"32mm 30mm flat plate restrictor"
Effective 05/01/2020, in B-Spec, Mini Cooper Hatchback (07-10), make changes to the spec line Notes as
follows:
"Mini Cooper Hatchback (R56) (07-10)"
Wheelbase:
"97.1 2466"
Add to beginning of Notes:
"40mm flat plate restrictor"
Note from the CRB: After reviewing the performance of different cars across different regions in B Spec
and after reviewing data based on track performance, trap speeds and dyno data, the Ford Fiesta, 2007-
2010 Mini Cooper and 2015-2020 Honda Fit will get a small reduction in power. The 2009-2012 Honda
Fit will receive a small weight reduction to help improve performance.