Rocket
02-04-2003, 08:01 PM
LAKE RACER
1. Boats: Regular production open cockpit Ski or Bass boats originally configured with seating for 3 or more people. Passenger seats may be removed during competition.
2. Fuel: Must purchase and use fuel and oil sold at race site only. No additives allowed.
3. No nitrous or any other type bottle pressure injection. No bottles in boat, solenoids disconnected.
4. ALL ODBA general, safety and fuel/technical rules must be adhered to.
Minimum weights and specific motor rules for all boats
5. With motors/rigging conforming to Super Stock rules:
A. Merc High Perf 2.5 liter 260 EFI,
26cc heads, with no spacer 1600 pounds minimum weight
B. Merc High Perf 2.5 liter 280 Drag
with 260 EFI electronics, 37cc heads 1625 pounds minimum weight
C. Merc High Perf 2.5 liter 300 Drag EFI
with 37cc heads 1675 pounds minimum weight
D. Merc High Perf 2.5 liter 280 EFI 1550 pounds minimum weight
E. Merc High Perf 2.5 liter 240 carb 1550 pounds minimum weight
F. Merc Pro Max/Laser 2.5 liter EFI 1550 pounds minimum weight
G. OMC 3.0 liter Looper carb 1550 pounds minimum weight
H. Yamaha 2.6 liter carb 1550 pounds minimum weight
6. With motors/rigging conforming to Super Gas rules: 1725 pounds minimum weight
A. Production short-blocks, assembled, built or manufactured by a high-performance division, group or subsidiary of current APBA marine product manufacturers will be allowed except as noted. Engines must be marketed and distributed in the U.S. Engines must be available through a normal or high-performance dealer network and offered for sale with a warranty from the original manufacturer or the original manufacturer’s authorized high-performance division.
B. Short-block alterations of any kind are not allowed except as noted. No blueprinting, polishing, grinding, balancing, feathering, etc.
C. Short-blocks with steel sleeves may be decked a maximum of .010”. Cylinder overbore limited to size of available OEM service parts.
D. Any modifications external to the short-block are allowed except as noted.
E. Clamp and swivel bracket must be an OEM part. Clamp and swivel bracket may be lightened, but not removed. No custom clamp or swivel brackets allowed.
F. Gearcase must be shiftable (forward, neutral, reverse) from the driver’s seat. Gearcase must be an OEM part for that model motor. No small gearcases.
G. Short shaft midsections are allowed. 15” minimum length as measured from the powerhead flange to gearcase flange. Midsections shortened to 15” must use OEM parts for that model motor. No Champ-type midsections.
H. Mercury/Mariner 2.5 liter Drag/S3000 powerhead is not allowed.
7. With motors/rigging conforming to Modified Production rules:
A. Merc Center Horn 2.5 liter EFI 1800 pounds minimum weight
B. Merc Center Horn 2.4 liter EFI 1670 pounds minimum weight
C. Merc SVS Drag 2.5 EFI 2001 & later 1830 pounds minimum weight
D. Merc 2.5 liter carb 1695 pounds minimum weight
E. Merc 2.4 liter carb 1620 pounds minimum weight
F. Merc 2.5 liter Pro Max/Laser 1770 pounds minimum weight
G. OMC 3.0 liter carb 1745 pounds minimum weight
H. OMC 3.0 liter Factory EFI 1820 pounds minimum weight
I. Yamaha 2.6 liter carb 1720 pounds minimum weight
J. Yamaha 2.6 liter Factory EFI 1820 pounds minimum weight
8. With motors/rigging conforming to Pro Gas rules:
A. Merc & Yamaha Small Block 1900 pounds minimum weight
B. OMC, Yamaha & Merc Big Block 1925 pounds minimum weight
9. With OMC V8 motors/rigging conforming
to Pro Gas rules: 2000 pounds minimum weight
1. Boats: Regular production open cockpit Ski or Bass boats originally configured with seating for 3 or more people. Passenger seats may be removed during competition.
2. Fuel: Must purchase and use fuel and oil sold at race site only. No additives allowed.
3. No nitrous or any other type bottle pressure injection. No bottles in boat, solenoids disconnected.
4. ALL ODBA general, safety and fuel/technical rules must be adhered to.
Minimum weights and specific motor rules for all boats
5. With motors/rigging conforming to Super Stock rules:
A. Merc High Perf 2.5 liter 260 EFI,
26cc heads, with no spacer 1600 pounds minimum weight
B. Merc High Perf 2.5 liter 280 Drag
with 260 EFI electronics, 37cc heads 1625 pounds minimum weight
C. Merc High Perf 2.5 liter 300 Drag EFI
with 37cc heads 1675 pounds minimum weight
D. Merc High Perf 2.5 liter 280 EFI 1550 pounds minimum weight
E. Merc High Perf 2.5 liter 240 carb 1550 pounds minimum weight
F. Merc Pro Max/Laser 2.5 liter EFI 1550 pounds minimum weight
G. OMC 3.0 liter Looper carb 1550 pounds minimum weight
H. Yamaha 2.6 liter carb 1550 pounds minimum weight
6. With motors/rigging conforming to Super Gas rules: 1725 pounds minimum weight
A. Production short-blocks, assembled, built or manufactured by a high-performance division, group or subsidiary of current APBA marine product manufacturers will be allowed except as noted. Engines must be marketed and distributed in the U.S. Engines must be available through a normal or high-performance dealer network and offered for sale with a warranty from the original manufacturer or the original manufacturer’s authorized high-performance division.
B. Short-block alterations of any kind are not allowed except as noted. No blueprinting, polishing, grinding, balancing, feathering, etc.
C. Short-blocks with steel sleeves may be decked a maximum of .010”. Cylinder overbore limited to size of available OEM service parts.
D. Any modifications external to the short-block are allowed except as noted.
E. Clamp and swivel bracket must be an OEM part. Clamp and swivel bracket may be lightened, but not removed. No custom clamp or swivel brackets allowed.
F. Gearcase must be shiftable (forward, neutral, reverse) from the driver’s seat. Gearcase must be an OEM part for that model motor. No small gearcases.
G. Short shaft midsections are allowed. 15” minimum length as measured from the powerhead flange to gearcase flange. Midsections shortened to 15” must use OEM parts for that model motor. No Champ-type midsections.
H. Mercury/Mariner 2.5 liter Drag/S3000 powerhead is not allowed.
7. With motors/rigging conforming to Modified Production rules:
A. Merc Center Horn 2.5 liter EFI 1800 pounds minimum weight
B. Merc Center Horn 2.4 liter EFI 1670 pounds minimum weight
C. Merc SVS Drag 2.5 EFI 2001 & later 1830 pounds minimum weight
D. Merc 2.5 liter carb 1695 pounds minimum weight
E. Merc 2.4 liter carb 1620 pounds minimum weight
F. Merc 2.5 liter Pro Max/Laser 1770 pounds minimum weight
G. OMC 3.0 liter carb 1745 pounds minimum weight
H. OMC 3.0 liter Factory EFI 1820 pounds minimum weight
I. Yamaha 2.6 liter carb 1720 pounds minimum weight
J. Yamaha 2.6 liter Factory EFI 1820 pounds minimum weight
8. With motors/rigging conforming to Pro Gas rules:
A. Merc & Yamaha Small Block 1900 pounds minimum weight
B. OMC, Yamaha & Merc Big Block 1925 pounds minimum weight
9. With OMC V8 motors/rigging conforming
to Pro Gas rules: 2000 pounds minimum weight