Ts drag rules/requirements ??

[xcablb7]

I'm trying to get everything in order, my truck went 7.5 @ 95 in the 1/8th with stock injectors and still working out the tuning. I just got the 80% overs in it and will be dynoing and tuning it next week, i figure its probably gonna go 11.0 so that would require me to have a cage correct ?? is it gonna be a big deal if i just detune it and run 12.0 index ?

 

[xcablb7]

Guess I'll have to call dennis and inquire

 

[wideopen]

Faster Than 10.30 requires a cage/Bar.

 

[Dockboy]

Faster Than 10.30 requires a cage/Bar.

Come on Phil...first the golf lingo...now safety req.? :doh::hehe:

11.49-10.00 = Rollbar

9.99 and under = Cage

You need driveshaft loops, helmet, and oem seatbelts to run the 12.0 class

 

[TheBac]

Thanks Greg.

 

[xcablb7]

Thanks dockboy what's the spec on the loops ? Rear shaft only ? Or both ?

 

[wideopen]

Come on Phil...first the golf lingo...now safety req.? :doh::hehe:

11.49-10.00 = Rollbar

9.99 and under = Cage

You need driveshaft loops, helmet, and oem seatbelts to run the 12.0 class

wned: :nail:

I don't know what I was thinking..Greg is correct.

 

[Dockboy]

Thanks dockboy what's the spec on the loops ? Rear shaft only ? Or both ?

Steel loop within 6" of the front u-joint of any drive shaft. If you have a 2 piece rear drive shaft (w/ carrier bearing) you will need 2 loops.

Most 4wd trucks will require 3 loops. 1 for the front drive shaft, 2 for the rear.

 

[TheBac]

U joint shields required, too?

 

[joefarmer]

U joint shields required, too?

U-joint shields not required by NHRA, but they won't hurt either.

 

[Dockboy]

We have too many teeth for u-joint sheilds oke:












In other words...No

 

[xcablb7]

I have a 1 piece rear shaft so ill just have to fab up 2 thanks again

 

[xcablb7]

Nhra rules I found said vehicles utilizing street tires running 11.49 and slower aren't required to have driveshaft loops ?

 

[SCHOOL BUS]

not required but they arent hard to do. id rather spend the 100 bucks on materials instead of catapulting at half track if a driveshaft drops!

 

[Big Blue24]

With street tires, I wouldn't worry about drive shaft loops. If you lose a u-joint, most likely it will occur when you launch with no vehicle speed so little chance of catapulting your truck.

If your drive train has a lot of miles 200K+, I would definitely replace the joints or install shaft loops. A loose shaft flopping around can tear up a lot of things on the underside of the truck, maybe even penetrate the floor board and cause injury to the driver.

 

[paint94979]

as has been said drive shaft loops are not required by the NHRA for 12.00 ET's

 

[xcablb7]

It only has 45,000 miles on it and this is the 4th driveshaft lol, pulling used to throw it a beating lol