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"What do I need for.." Safety Requirements for NHRA (Rollbar, Rollcage, harness, etc)
10-26-2010, 02:06 PM
#62
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I am trying to decide between a 8pt or 10pt, where did you find that a 8pt would be good to 8.50? I have looked at the NHRA rulebook for 2010, but it doesnt even mention 8pt. I think I am more confused after reading it then before.
10-26-2010, 02:11 PM
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points are just floor intersections...two at the hoop, two at the front pillars, two at the back bars and 2 at the lateral supports...thats 8 total points and will cert to 8.50 as long as its built to the specs in the NHRA rulebook.
10-27-2010, 06:26 AM
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Gofaster,
The top photo is an 8-point rollBAR and the bottom one is a rollcage. If you want to legally run faster than 10.00/135 mph you need the bottom one.
The top photo is an 8-point rollBAR and the bottom one is a rollcage. If you want to legally run faster than 10.00/135 mph you need the bottom one.
11-01-2010, 06:29 AM
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Window nets are usually installed with 2 mounting points on the top and bottom locations. If this is for a std sportsman rollcage (9.99-8.50) I used a kit that includes 2 rods, and a belt buckle and receiver to secure the top front. If you need a photo I can post one.
11-01-2010, 11:20 AM
#71
Window nets are usually installed with 2 mounting points on the top and bottom locations. If this is for a std sportsman rollcage (9.99-8.50) I used a kit that includes 2 rods, and a belt buckle and receiver to secure the top front. If you need a photo I can post one.
01-11-2011, 08:23 PM
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awesome thread , now my question is im only running 11.5 currently but at 128mph i should be getting in the 10s next season and my mph is going to be over the 135mph i can for see. does this mean i am going to have to get my cage inspected and have to get liscensed.
01-11-2011, 08:48 PM
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These things depend, but for NHRA competition, anyone running 9.99 (6.39 for 1/8th mile) or quicker and anyone running 135mph or faster, except motorcycles, needs to have a license and a proper and correct roll bar/cage to meet track requirements, but not all tracks are part of the NHRA.
02-14-2011, 07:42 AM
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10.99 1/4-mile (6.99 1/8-mile) or quicker:
-5-point roll bar is still okay to 10.00 1/4-mile (6.40 1/8-mile) in hardtop / t-top with un-altered floors, firewall and frame rails (wheel tubs are okay). If the floor and/or firewall has been modified, then a full roll cage is required beginning at a 10.99 e.t. or any vehicle running 135 mph or faster (regardless of e.t.). The roll cage must be constructed of a minimum o.d. mild steel or chrome moly tubing (moly can be a smaller o.d and is lighter but more expensive), see diagram below for specs. Roll cage must be padded anywhere the driver's helmet may contact it while in the driving position, see diagram below for specs.
-Convertibles require full roll cage at 10.99 and quicker.
See diagram below.
-aftermarket axles with positive retention (c-clip eliminators)
-Transmission shield SFI Spec 4.1 at 10.99 and quicker or 135 mph and quicker (blanket is okay, no expiration date)
-Harmonic Balancer SFI Spec 18.1 (no expiration date)
9.99 1/4-mile (6.39 1/8-mile)/ 135 mph or quicker:
-Roll cage is required on all vehicles at 9.99 and quicker or any vehicle running 135 mph or faster (regardless of e.t.). The roll cage must be constructed of a minimum o.d. mild steel or chrome moly tubing (moly can be a smaller o.d and is lighter but more expensive), see diagram below for specs. Roll cage must be padded anywhere the driver's helmet may contact it while in the driving position, see diagram below for specs. Roll cage must also be certified by NHRA every 3 years and have a serialized sticker affixed prior to participation. This style of cage is good til 8.50 1/4-mile times, then a funny car style cage is required.
See diagram below.
-Window net required (can be ribbon or mesh, no altering allowed unless done by manufacturer. 2009 NHRA rule book states mesh nets carry a manufacturer date and a 2 year expiration/re-cert, while ribbon are good forever. Check with your local track or division).
-NHRA competition driver's license required, done by car designation (dragster, door car, etc). A physical, 2 NHRA licensed drivers to witness/sign your forms and a minimum of 6 runs are required. For NHRA license form click here: www.nhra.com/contacts/forms/licenseapp.pdf, for NHRA physical form click here: www.nhra.com/contacts/forms/physical01.pdf
-Flexplate SFI 29.1 and shield SFI 30.1 required (no expiration dates listed, but I believe the shield is 5 years)
-Protective Clothing (SFI jacket and pants with a 3.2A/5 rating, gloves and neck collar, no expiration date)
-Battery cutoff (regardless or whether battery is still up front or relocated to rear of vehicle). The cutoff switch must shut down everything electrical when off; see here for pictures and a wiring diagram: www.ls1tech.com/forums/drag-racing-tech/733951-battery-disconnect-switch.html
-A full-face helmet is required with a minimum Snell K98 or M2000/SA2000 rating. Helmets last 12 years from their rating date (example a Snell 2005 would be good until 1/2017). Shield is permitted, and modifications to helmet or shield are prohibited. This rule posting is as it applies to cars like ours (closed body type). For open cars a different helmet ruling is required.
-A engine diaper is required at NHRA national and divisional races, local races vary, check with your division or track.
Parachutes:
-Required at 150 mph no et restriction
Roll bar Diagram:
Roll Cage Diagram (good to 8.50 1/4-mile elapsed times):
-5-point roll bar is still okay to 10.00 1/4-mile (6.40 1/8-mile) in hardtop / t-top with un-altered floors, firewall and frame rails (wheel tubs are okay). If the floor and/or firewall has been modified, then a full roll cage is required beginning at a 10.99 e.t. or any vehicle running 135 mph or faster (regardless of e.t.). The roll cage must be constructed of a minimum o.d. mild steel or chrome moly tubing (moly can be a smaller o.d and is lighter but more expensive), see diagram below for specs. Roll cage must be padded anywhere the driver's helmet may contact it while in the driving position, see diagram below for specs.
-Convertibles require full roll cage at 10.99 and quicker.
See diagram below.
-aftermarket axles with positive retention (c-clip eliminators)
-Transmission shield SFI Spec 4.1 at 10.99 and quicker or 135 mph and quicker (blanket is okay, no expiration date)
-Harmonic Balancer SFI Spec 18.1 (no expiration date)
9.99 1/4-mile (6.39 1/8-mile)/ 135 mph or quicker:
-Roll cage is required on all vehicles at 9.99 and quicker or any vehicle running 135 mph or faster (regardless of e.t.). The roll cage must be constructed of a minimum o.d. mild steel or chrome moly tubing (moly can be a smaller o.d and is lighter but more expensive), see diagram below for specs. Roll cage must be padded anywhere the driver's helmet may contact it while in the driving position, see diagram below for specs. Roll cage must also be certified by NHRA every 3 years and have a serialized sticker affixed prior to participation. This style of cage is good til 8.50 1/4-mile times, then a funny car style cage is required.
See diagram below.
-Window net required (can be ribbon or mesh, no altering allowed unless done by manufacturer. 2009 NHRA rule book states mesh nets carry a manufacturer date and a 2 year expiration/re-cert, while ribbon are good forever. Check with your local track or division).
-NHRA competition driver's license required, done by car designation (dragster, door car, etc). A physical, 2 NHRA licensed drivers to witness/sign your forms and a minimum of 6 runs are required. For NHRA license form click here: www.nhra.com/contacts/forms/licenseapp.pdf, for NHRA physical form click here: www.nhra.com/contacts/forms/physical01.pdf
-Flexplate SFI 29.1 and shield SFI 30.1 required (no expiration dates listed, but I believe the shield is 5 years)
-Protective Clothing (SFI jacket and pants with a 3.2A/5 rating, gloves and neck collar, no expiration date)
-Battery cutoff (regardless or whether battery is still up front or relocated to rear of vehicle). The cutoff switch must shut down everything electrical when off; see here for pictures and a wiring diagram: www.ls1tech.com/forums/drag-racing-tech/733951-battery-disconnect-switch.html
-A full-face helmet is required with a minimum Snell K98 or M2000/SA2000 rating. Helmets last 12 years from their rating date (example a Snell 2005 would be good until 1/2017). Shield is permitted, and modifications to helmet or shield are prohibited. This rule posting is as it applies to cars like ours (closed body type). For open cars a different helmet ruling is required.
-A engine diaper is required at NHRA national and divisional races, local races vary, check with your division or track.
Parachutes:
-Required at 150 mph no et restriction
Roll bar Diagram:
Roll Cage Diagram (good to 8.50 1/4-mile elapsed times):
