2023 Top Fuel chassis specs

[Dragracer]

I remember discussion that the tubing thickness on the front half was going to be increased for 2023. Has that requirement gone into effect?

 

[T.Smith]

I remember discussion that the tubing thickness on the front half was going to be increased for 2023. Has that requirement gone into effect?

Nope.

 

[Sherman, Sherm, & Sherm Gun]

2022 Rulebook Amendments 8-22-2022

SECTION 19: TOP FUEL DRAGSTER, FRAME: 4, ROLL CAGE (Page 9) (12/16/2021) (INCLUDED IN 1/11/2022 RELEASE OF ELECTRONIC VERSION OF THE RULEBOOK FOUND ON NHRARACER.COM) Chassis must meet SFI Spec 2.3T (rear-engine cars). Chassis must be recertified yearly by NHRA and have serialized sticker affixed to frame before participation. Cars without crossmember above driver’s legs must have a strap or device to prevent legs from protruding outside chassis. All wiring must be external of the framerails; routing of cables and hydraulic or pneumatic lines inside the chassis is permitted. See General Regulations 4:4, 4:11, 10:6.

 

[Sherman, Sherm, & Sherm Gun]

Going to the SFI website, 2.3T is not listed.