11.49 or faster, what exactly is required?
10-02-2006, 11:48 PM
#1
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11.49 or faster, what exactly is required?
im wanting to know what exactly i need to go 11.5 or faster in the 1/4 to be legit? im hoping for this to happen sometime in the future. so i want to be prepared and not get kicked out of the track. i know some sort of cage is needed but need to know exactly what has to be done in order to do this.
10-03-2006, 09:35 AM
#4
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RUNNING 13.99 to 12.00
Helmets
– Drivers of all cars running 13.99 or quicker must use a helmet meeting Snell
95, K98, 2000, 2005 or SFI 31.1, 31.2, 31.1A, 31.2A, 31.1/2005, 41.1,
41.2, 41.1A, 41.2A, or 41.1/2005
Drivers of cars running faster than 7.49 or quicker must use a helmet meeting
Snell SA95, SA2000, SA2005 or SFI 31.1, 31.2, 31.1A, 31.2A, or 31.1/2005
Specs.
95, K98, 2000, 2005 or SFI 31.1, 31.2, 31.1A, 31.2A, 31.1/2005, 41.1,
41.2, 41.1A, 41.2A, or 41.1/2005
Drivers of cars running faster than 7.49 or quicker must use a helmet meeting
Snell SA95, SA2000, SA2005 or SFI 31.1, 31.2, 31.1A, 31.2A, or 31.1/2005
Specs.
Driveline
– All RWD cars running 13.99 or quicker on slicks must have a driveshaft
loop.
loop.
RUNNING 11.99 to 11.50
Clutch
– Clutch in cars running 11.99 quicker must meet SFI 1.1, 1.2, 1.4 specs.
Flywheel shield
– All cars using a clutch and running quicker than 11.99 or faster than
135mph must be equipped with a flywheel shield made of 1/4inch minimum thickness
steel plate. In lieu of shield, a blanket meeting SFI 4.1 spec, completely surrounding the
bellhousing, is permitted
135mph must be equipped with a flywheel shield made of 1/4inch minimum thickness
steel plate. In lieu of shield, a blanket meeting SFI 4.1 spec, completely surrounding the
bellhousing, is permitted
Flywheel
– Stock-type cast iron flywheels and/or pressure plats are prohibited in any
car running 11.99 or quicker. Units that meet SFI 1.1, 1.2, 1.3 or 1.4 specs are
mandatory in all cars running 11.99 or quicker.
car running 11.99 or quicker. Units that meet SFI 1.1, 1.2, 1.3 or 1.4 specs are
mandatory in all cars running 11.99 or quicker.
Tires
– Metal, screw-in valve stems mandatory in tubeless tires, front and rear, on cars
running 11.99 or quicker.
running 11.99 or quicker.
RUNNING 11.49 to 11.00
Driveline
– All RWD cars running 11.49 or quicker on street tires must have a
driveshaft loop.
driveshaft loop.
Driver restraint systems
– A quick release, 3 inch shoulder harness meeting SFI 16.1
spec is mandatory in all cars in competition required by the rules to have a roll bar or roll
cage.
spec is mandatory in all cars in competition required by the rules to have a roll bar or roll
cage.
Roll Bars
– 5-point NHRA-legal roll bar is mandatory in any car running 11.49 or
quicker.
quicker.
Head protector
– In any car where a roll bar or roll cage installed, a padded head
protector must be provided at the back of the drivers head and construction in an
attempt to prevent whiplash upon impact.
protector must be provided at the back of the drivers head and construction in an
attempt to prevent whiplash upon impact.
Protective clothing
– Jacket meeting SFI 3.2A/1 spec mandatory
10-03-2006, 04:08 PM
#7
You are really going to put a cage in your truck? Do you daily drive your truck? The a-pilar tube will be the baine of your existence, your forehead will hate you. If you can get by with a rollbar thats what I would do since you can un-bolt it when you arent at the track.
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10-03-2006, 05:58 PM
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you will also have to go to a plastic back glass. you will have to have legs that go attach to the main hoop. It will probibly leak some where the tubes go through the lexan.
10-03-2006, 08:34 PM
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man that sucks i have to do all that to just run a 10. im just hoping i do it the first shot and then get the boot. fock it. but seriously where does it say you have to have a lexan back window, thats the part i really dont want to do becuase it will take away the Daily driver of my truck.