HEMI Technical Info

You are here

Home » Chassis Tech.

SFI - chassis

Spec # Dragsters Current Revision Date
2012 oct
2.1A Rear Engine Dragster (Top Alcohol/Methanol) – 5.99 Seconds & Quicker March 5, 2010
2.2C Front Engine Dragster – 5.99 Seconds & Quicker March 5, 2010
2.3N Rear Engine Dragster (Top Fuel) – 6.29 Seconds & Quicker November 19, 2007
2.4C Front Engine Dragster – 6.00 to 7.49 Seconds March 5, 2010
2.5C Rear Engine Dragster – 6.00 to 7.49 Seconds March 5, 2010
2.6A Front Engine Dragster – 7.50 Seconds & Slower March 5, 2010
2.7C Rear Engine Dragster – 7.50 Seconds & Slower March 5, 2010
Spec # Funny Cars, Altereds and Roadsters Current Revision Date
10.1E Funny Car Roll Cage (Alcohol, Advanced ET, Nostalgia, etc.) December 9, 2004
10.2 Altered Car Roll Cage – 6.00 to 7.49 Seconds June 13, 2003
10.3 Altered Car Roll Cage – 7.50 Seconds & Slower June 13, 2003
10.4 Side Steer Roadster Roll Cage – 7.50 Seconds & Slower December 9, 2004
10.5 Nitro Fuel Funny Car Chassis January 17, 2008
Spec # Full Bodied Cars Current Revision Date
25.1E Full Bodied Car Tube Chassis – 7.49 Seconds & Quicker; 2,800 lbs. Maximum June 14, 2002
25.2 Full Bodied Car Tube Chassis – 7.49 Seconds & Quicker; 3,200 lbs. Maximum June 14, 2002
25.3 Full Bodied Car with Aftermarket Body Shell and Tube Frame, OEM Body Shell and OEM Frame with OEM or Modified Floorpan and Firewall, or Uni-Body with OEM or Modified Floorpan and Firewall Roll Cage - 6.50 to 7.49 Seconds ET; 3,600 Lbs. Maximum September 1, 2009
25.4 Full Bodied Car Tube Chassis – 7.50 to 8.49 Seconds; 3,600 lbs. Maximum June 14, 2002
25.5 Full Bodied Car Stock or Modified/OEM Floorpan and Firewall with OEM Frame or Uni-Body Construction – 7.50 to 8.49 Seconds; 3,600 lbs. Maximum June 14, 2002