| Engines |
Page Number: 23 |
| All blown or supercharged engines, as well as unblown fuel engines may
not exceed 565 cubic inches, except in Pro Modified. No multiple engines are allowed in any class. |
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| Blowers |
Page Number: 23 |
| No variable multi-speed blowers or supercharges will be permitted in any class. |
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| Fuel |
Page Number: 23 |
| TFH may utilize only nitromethane (sixty-five percent [65%] minimum) and alcohol (pure methanol). One hundred percent (100%) nitromethane is permitted. BAH may use alcohol (pure methanol or ethanol) or nitrous oxide with alcohol (pure methanol or ethanol). See Appendix H. All other alcohol classes must use only pure methanol or ethanol. BJ may utilize gasoline, alcohol (pure methanol or ethanol), or a maximum of fifty percent (50%) nitromethane. See “Racing Fuels” for further information. |
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| Fuel Injection |
Page Number: 23 |
| Electronic or electrically controlled fuel systems designed to automatically
sense and instantly adjust the fuel flow shall not be permitted on any
supercharged engine. |
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| Hulls |
Page Number: 23 |
| Any hull design is acceptable with the exception that no blown engines will be permitted in any Professional class jet boat with a V-bottom. |
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| Nitrous Oxide |
Page Number: 23 |
| Nitrous oxide is not allowed in the following Professional classes: TFH and BFJ. |
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| Propylene Oxide |
Page Number: 23 |
| Propylene oxide is not allowed in any Professional class. |
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| Water Injection |
Page Number: 23 |
| Water injection may be used in any class; however, enough water must
remain in the system after each run to allow a sample to be taken. |
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| Engines |
Page Number: 23 |
| Engines may be any cubic inch displacement; they may be either naturally
aspirated or fuel injected. |
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| Blowers |
Page Number: 23 |
| Blown engines may utilize superchargers or turbochargers; however,
proper blower restraints must be used as required based upon the fuel utilized. |
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| Fuel |
Page Number: 23 |
| Gasoline, alcohol (pure methanol or ethanol), nitromethane, or nitrous oxide
may be used in any engine. |
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| Hulls |
Page Number: 23 |
| Any hull design is acceptable with the exception that no blown engines will
be permitted in any Sportsman class jet boat with a V-bottom. |
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|
National Drag Boat Association (NDBA)
American Drag Boat Association (ADBA Div 1)
Central States Drag Boat Association (CSDBA Div 2)
Southern Drag Boat Association (SDBA Div 3)
St Louis Drag Boat Association (SLDBA Div 4)
Columbia Drag Boat Association (CDBA)
Delaware Drag Boat Association (DVDRC)
International Hot Boat Association (IHBA)
Kentuckey Drag Boat Association (KDBA)
National Jet Boat Association (NJBA)
Outboard Drag Boat Association (ODBA)
Victorian Drag Boat Club (VDBC) |