15 Layer Suit for 7.49 & faster
Copied from another site
noticed what looks to be a heads-up for 2009, ALL normally aspirated cars 7.49 and quicker requires /15 fire suits
PROTECTIVE CLOTHING:
Front-engine, supercharged or turbocharged: Jacket and pants or suit meeting SFI Spec 3.2A/20, gloves meeting SFI Spec 3.3/15, and boots or shoes meeting SFI Spec 3.3/15 mandatory.
Front-engine with nitrous oxide, naturally aspirated using methanol, or any car with automatic transmission in driver compartment (no floor covering transmission): Jacket and pants meeting SFI Spec 3.2A/15, gloves meeting SFI Spec 3.3/5 and boots or shoes meeting SFI Spec 3.3/5 mandatory.
Rear-engine supercharged, or turbocharged, or nitrous oxide: Jacket and pants or suit meeting SFI Spec 3.2A/15, gloves and boots or shoes meeting SFI Spec 3.3/5 mandatory.
Naturally aspirated, i.e. all others (7.49 and quicker): (Effective 1/1/09) Jacket and pants meeting SFI Spec 3.2A/15, gloves meeting SFI Spec 3.3/5, and boots or shoes meeting SFI Spec 3.3/5 mandatory.
Naturally aspirated, i.e. all others: Jacket and pants meeting SFI Spec 3.2A/5 and gloves meeting SFI Spec 3.3/5 and boots or shoes meeting SFI Spec 3.3/5 mandatory.