2020 rulebook amendments.
Nhra roll cage specs.
Sfi spec 10 4 side steer roadster roll cage 7 50 seconds slower effective date.
The 2020 nhra rulebook is now online and viewable by all who wish to compete in the nhra arena.
Every year the nhra makes amendments to many of its rules the retraction of the roll cage or roll bar rule for 2008 and newer street vehicles running 9 99 to 11 49.
Roll cages are mandatory for any car either running 10 99 or quicker or capable of exceeding 135 mph must be equipped with a roll cage.
Trust me there are about a jillion other things we can cover going.
Junior dragster racing league rulebook.
Cars that run between 7 5 and 9 99 must have their frames and cages recertified every three years by the nhra.
The drawing below shows several tube options of the chassis roll cage and driver s compartment meet nhra regulations for the intended et.
This particular mustang is being built to meet sfi standard 25 3b which is for full bodied cars either unibody or tube frame looking to run under 7 50 seconds but no faster than 6 50.
Sfi spec 10 3 altered car roll cage 7 50 seconds slower effective date.
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Class by class regulations and requirements racing procedures and.
Per the nhra rule book on unibody cars with stock floor and firewall wheel tubs permitted the roll cage may be bolted or welded to the floor rocker box if you are going for the bolted option the 125 inch steel plates must be on top and bottom of the floor and bolted together with at least four 3 8 inch bolts and nuts.
That s right if you drive a 2008 and later factory equipped hardtop the nhra chassis certification process is designed to insure that all safety requirements of the.
2019 to 2020 jdrl rulebook amendments.
Racers start your projects.
Nhra roll cage tubing specs.
Sfi spec 10 5a nitro fuel funny car chassis 4 99.
Roll cage with altered floor pans or 135 mph window net required ignition cut off on all bikes snowmobiles that exceed 135 mph 9 99 seconds 6 39 1 8th or super gas or 135 mph nhra chassis certification nhra competition license sfi jacket pants 3 2a 5 sfi neck collar gloves 3 3 1.