On any given
there are more Mazdas on the road-race tracks of America than
any other brand of vehicle.
Heintzman’s fully prepped E Production car prepared by Huffaker
Click for a larger image.
committed to racing a Miata you have many choices of car
preparation and engine configurations to choose from.
Engineering supports all of the Mazda classes with engine and chassis
development. Check the News frame for results in current races.
SCCA E Production:
Miatas manufactured from 1990-93 run Unlimited Preparation with
restrictions on valve and bore size. Models from 1994-97 have a choice
of limited prep regulations. 1998 - 2003 models are classified with
their own set of limited prep rules.
SCCA F Production:
1990-1993 1600cc Limited Preparation.
This is a limited prep engine
severely restricted by rules. No dry sumps, stock rods, stock
crankshaft. The engine is limited by valve size, bore size. Camshafts
can be modified. This is also a limited prep chassis.
SCCA Spec Miata National:
1990-2005 both 1600cc and
1800cc. Each model year and engine size has a different set of
rules in an attempt to make all cars equal on the racetrack.
SCCA Showroom Stock B (SSB): These
are current model cars in showroom stock condition. Limited to safety
SCCA Autocross: Many
different configurations of the Miata can run in SCCA’s Autocross
series. They range from a showroom stock condition to completely
modified engine and chassis.
The above descriptions are a broad
outline. For the exact rules consult SCCA General Competition Rules (GCR)
or go to SCCA’s website: