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| 2020 DRAG RACING RULE BOOKS....3 CYLINDER https://hpbc.ca/viewtopic.php?f=51&t=4293 |
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| Author: | Hounddog [ March 7th, 2020, 2:32 pm ] |
| Post subject: | 2020 DRAG RACING RULE BOOKS....3 CYLINDER |
For a new class there are now VERY different rules depending on the association. Outboard Drag Boat Association http://www.odbaracing.com/wp-content/up ... e_Book.pdf 3 Cylinder 1 Hulls will be limited to flat, V bottom and tunnel. No hydro or outrigger style hulls. 2 Boat must meet all ODBA safety regulations, battery and fuel tank secured (bolted or strapped) lifeline or equivalent, working fire extinguisher within reach of driver, driver must be seat and steering wheel only, no tiller style motors, hulls must have means of strapping for weighing. 3 Any fuel, no alcohol, no additives, no nitro methane 4 Timing computers controllers allowed 5 No power adders (NOS turbo blowers etc.) 6 3 cylinder engines only and limited to 86 ci, must have been production fishing outboard before modifications (60 sst OMC allowed) lower units must be of the shiftable type and may have low water pickup attached, mismatching of brands between powerhead and lower unit allowed, any midsection and trim allowed. 7 90 Yamaha min. weight 880 lbs. 40 Mercury min. weight 700 lbs. 42ci-44ci 700 lbs 45ci-62ci 800 lbs 63ci-86ci 880 lbs Deep South Racing http://deepsouthracing.net/wp-content/u ... s-Book.pdf 3-Cylinder Outlaw 1) Hulls will be limited to Flat, V Bottom and Tunnel. No Hydro or Outrigger style hulls 2) Boat must meet all DSRA safety regulations. Battery and fuel tank secured (bolted, strapped) Lifejacket with leg straps (lifeline or equv. ect.) Working fire extinguisher within reach of driver. Hulls must have means of strapping for weighing. 3) Entry fee and safety/insurance same as Registration & Points page 4 4) Fuel: Race Gas allowed. No alcohol, methanol, E85 or nitromethane allowed. Fuel will be tested for by specific gravity and water test for nonallowed fuels. 5) Timing computers, controllers allowed 6) No power adders. (NOS, turbo, blower, etc.…) 7) You need enough fuel for the entire class. No refueling after race starts. 8 oz. fuel sample required. 8) If someone gets a buy run that boat still needs to make a complete pass. 9) Maximum bore in both Mod 40 & Mod 90 will not exceed .060”. Bore will be checked through spark plug hole. 10) Racecourse is 660’ MOD 40 Class 1) Any original factory 2 or 3-cylinder 40-60 HP fishing motor. 2) Must be 60 CI or lower. 3) Powerhead, midsection can be safely modified. 4) Lower unit can be modified-must be shiftable. Nosecones allowed, must have been a production outboard lower unit before modifications. 5) No Quicksilver racing lower units. 6) No nitrous oxide. See fuel note. 7) Weights for this class: **Boat and driver race ready = 800 lbs. minimum **Small bore <45 CI boat and driver =700 lbs. minimum MOD 90 Class 1) -Any original factory 3 cylinder up to 90 HP fishing motor up to 72 CI. -From 72.1 CI and up to 80 CI will need to add 100 lbs. for a total minimum weight 960 lbs. -No motors allowed over 80 CI. -This weight will be adjusted as needed to keep fair racing. 2) -Powerhead, midsection can be safely modified. -Lower unit can be modified- must be shiftable. -Nosecones allowed, must have been a production outboard lower unit before modifications. 3) No Quicksilver racing lower units. 4) No nitrous oxide. See fuel note. 5) Weights for this class: Boat and driver race ready -72 CI = 860 lbs. minimum -72.1 CI – 80 CI = 960 lbs. minimum OPBRA http://opbra.ca/wp-content/uploads/2020 ... -FINAL.pdf TRIPLES CLASS 1. Age requirement 12 minimum. Special circumstances for 12-15 year old racers** 2. Follow General/Competition Regulations - Drag classes and Safety 3. Approved boats are Flat, V bottom and Tunnel. Hydro or Outrigger hulls not permitted 4. Post race minimum competition boat & driver weight 760 lbs (includes boat/motor/propeller, running gear, driver, helmet, life jacket, etc.) 5. Motors: a. 3-cylinder engine only to maximum 86 cubic inch. (Must have been a production available engine prior to modifications, 60SST permitted) b. No tiller style steering c. Ignition timing computers, controllers or like, permitted d. Any midsection and trim permitted e. Gearcase must be shiftable from Drivers seat. F-N f. Low water pickup, nose cone permitted g. 24V systems permitted h. Trim computers mandatory with 24V trim. (Must be outboard purposebuilt approved by Safety/Tech with 12V control circuit.) i. Any Gasoline permitted (No Alcohol, Nitromethane, etc.) j. No nitrous oxide systems or power adders k. Class rules may change at any time to allow for equality and growth AND NOW THIS! Jason Johnson to Bayou Boys (and A Few Gals) 3 Cylinder Outlaws ODBA @ Jasper TN Oct 9-10 2020. Will host a 3 cyl class this year. The rules are simple. 3 Cyl Outlaw/Unlimited 1. Any production 3cyl outboard 2. Any hull 3. Any modifications 4. Any power adder 5. Must pass all safety requirements. BOTTOM LINE IS READ THE RULES AND DECIDE WHAT YOU ARE GOING TO RUN ESPECIALLY IF YOU WANT TO RUN ADDITIONAL RACES WITH ANOTHER ASSOCIATION!! |
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