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NHRDA Diesel Drag
Race Classes & Rules
** Updated for 2012 ** |
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All Competitors must have their NHRDA
competition number and class abbreviation
in a clear visible area on both front and side
of race vehicle.
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» Heads-Up
class with a 4/10ths
Pro Tree, Pro Ladder by ET, Auto Start on
» No weight limitations, tire limitations, or wheelbase
limitations
» Chassis must be certified for 8.49 or quicker
» All Exhaust must exit up and away from vehicle
» Must meet NHRA and/or IHRA tech and safety requirements for MPH and ET
» Must meet NHRA and/or IHRA licensing requirements for MPH and ET |
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» Heads-Up
class with a 4/10ths
Pro Tree, Pro Ladder by ET, Auto Start on
» Minimum weight: 2350 lbs (w/ Driver) ±1%
» No tire limitations
» Maximum wheelbase: 125"
» Chassis must be certified for 9.99 or quicker
» All Exhaust must exit up and away from vehicle
» Must meet NHRA and/or IHRA tech and safety requirements for MPH and ET
» Must meet NHRA and/or IHRA licensing requirements for MPH and ET |
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NHRDA
Pro-Street P/S |
» Heads-Up
class with a 4/10ths
Pro Tree, Pro Ladder by ET, Auto Start on
» Minimum weight: 4500 lbs (w/ Driver) ±1%
» No tire limitations
» Tube chassis prohibited (Note: Back halves acceptable)
» Chassis must be certified for 11.49 or quicker
» All Exhaust must exit up and away from vehicle
» Must meet NHRA and/or IHRA tech and safety requirements for MPH and ET
» Must meet NHRA and/or IHRA licensing requirements for MPH and ET |
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NHRDA
Super-Street S/S |
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» Heads-Up
class with a 4/10ths
Pro Tree, Pro Ladder by ET, Auto Start on
» 2wd Minimum weight: 5000 lbs (w/ Driver) ±1%, slick tires permitted
» 4wd Minimum weight: 6000 lbs (w/ Driver) ±1%, DOT approved tires required
» Tube chassis, back halved, 4-link, 3-link style rear suspension prohibited
(Note: Traction/Ladder Bars allowed)
» Hood/Fender Stacks prohibited
» All Exhaust must exit up and away from vehicle
» Must have OEM Style transmission
(Note: Lenco, Liberty, Bruno, Clutchflite, Danco,
or similar prohibited)
» Engine must be forward of OEM Firewall
» Fuel Tank/Cell must be in stock location.
» Battery(s) must be forward of OEM Firewall
» Must meet NHRA and/or IHRA tech and safety requirements for MPH and ET
» Must meet NHRA and/or IHRA licensing requirements for MPH and ET |
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NHRDA
Super Diesel - 11.90 Index
S/D |
» Heads-Up
class with an 11.90 index, 4/10ths
Pro Tree, Pro Ladder by ET, Auto Start on
» No weight limitations, tire limitations, or wheelbase limitations
» Must meet NHRA and/or IHRA tech and safety requirements for MPH and ET
» Must meet NHRA and/or IHRA licensing requirements for MPH and ET |
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» Bracket
racing class w/ a Sportsman Tree,
Sportsman Ladder by
Reaction Time,
Auto Start is OFF
» Minimum Dial Time of 12.00 or slower
» Helmet required if faster than 13.99
(Note: Some
tracks require helmets for ALL racers)
» Must meet NHRA and/or IHRA tech and safety requirements for MPH and ET |
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Rules |
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Point Series Rules |
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Diesel Drag Race Classes |
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Contingency Program |
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National Records Program |
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