Q: Now that you hit 9's do you have to start doing interior mods like roll cage or chute or anything? A: I think only if he runs in an NHRA officially sanctioned event.
Jay
Due to liability, most drag strips have a set of rules which mimic the NHRA ones I think, even during "test and tune" runs.
Here are some of the ones from a track we frequent:
BASIC SAFETY REQUIREMENTS
Liquid Overflow
Seat Belts
Neutral Safety Switch
Full Length Pants (No Shorts)
Short or Long Sleeve Shirt
Closed Shoes, Socks
Battery Mounted Securely
If Battery is Relocated an
External Cut Off is Required.
Cars that break 13.99
Helmet - Snell 2010 or Higher or M
Drive Shaft Loop (With Slicks)
Roll Bars and Roll Cages
11.00 - 11.49 Roll Bar
11.00 - 13.49 Roll Bar Convertible
10.99 and Quicker or 135 MPH Roll Cage
Unless it is a full body car with an unaltered firewall, floor, and body
(from firewall rearward, wheeltubs permitted), running
10.00 - 10.99 roll bar permitted
10.00 - 11.49
Aftermarket Rear Axles (10.99)
Harmonic Balancer (10.99)
Transmission Shield (10.99 or 135 MPH)
Drive Shaft Loop
Seat Belts (5 Point SFI)good for 2 years from time stamped
Fire Jacket
Arm Restraints (Open Cars)/Roll Bar
8.50 - 9.99
Flexplate & Flexplate Shield (9.99 or 135 MPH)
Helmet Snell 2010 or newer
NHRA License
Fire Jacket
Open Body Needs Pants, Neck Collar, Arm Restraints & Gloves,Window net
Parachute required 150 MPH and faster
9.99 & Faster NHRA Certified Chassis