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2.5 Litre Modified

The 2.5 Litre Modified ("A" class) hydroplane races at speeds over 130 mph - creatively. Few engine restrictions apply beyond prohibiting superchargers and setting a displacement limit of 166 cubic inches; engine modifications are limited only by the racer's imagination.
2.5 Litre Modified Specifications
| Minimum Length: | 16' |
| Minimum Weight: | 1225-1325 lbs. depending on engine type |
| Engine: | Maximum displacement of 166 cubic inches |
| Fuel: | Methanol (alcohol) or Racing gasoline per APBA specs |
| Approximate Speed: | 130mph |
2.5 Litre Modified High Point Winners
| Year | Driver/Owner | Races | Points |
|---|---|---|---|
| 2023 | JESTON BURNETT | 12 | 2168 |
| 2022 | NICK BONONCINI | 15 | 2775 |
| 2021 | DOUG MARTIN | 14 | 2593 |
| 2020 | NORMAN CAMERON | 1 | 200 |
| 2019 | NICK BONONCINI | 15 | 2813 |
| 2018 | BARRY EACRET | 15 | 2475 |
| 2017 | KEVIN KREITZER | 4 | 200 |
| 2016 | DOUGLAS HAVELL JR | 7 | 955 |
| 2015 | JIM AID | 7 | 573 |
| 2014 | R ROYCE RICHARDS | 10 | 1400 |
| 2013 | R ROYCE RICHARDS | 7 | 1120 |
| 2012 | R ROYCE RICHARDS | 11 | 2171 |
| 2011 | R ROYCE RICHARDS | 13 | 2245 |
| 2010 | R ROYCE RICHARDS | 15 | 2440 |
| 2009 | R ROYCE RICHARDS | 15 | 2335 |
| 2008 | ROBERT HALL | 15 | 1750 |
| 2007 | ROBERT HALL | 15 | 2505 |
| 2006 | JUSTIN WEYMOUTH | 15 | 2436 |
| 2005 | JUSTIN WEYMOUTH | 15 | 2288 |
| 2004 | JOHN SHEWBROOKS JR | 15 | 2885 |
| 2003 | JOHN SHEWBROOKS JR | 15 | 2636 |
| 2002 | JOHN SHEWBROOKS JR | 15 | 3014 |
2.5 Litre Modified National Champions
| Year | Driver/Owner |
|---|---|
| 2022 | STEVE LINN |
| 2021 | MARISSA BARTELS |
| 2019 | NORMAN CAMERON |
| 2018 | NORMAN CAMERON |
| 2016 | DOUGLAS HAVELL JR |
| 2015 | R ROYCE RICHARDS |
| 2014 | R ROYCE RICHARDS |
| 2012 | JIM AID |
| 2011 | R ROYCE RICHARDS |
| 2010 | R ROYCE RICHARDS |
| 2009 | R ROYCE RICHARDS |
| 2008 | R ROYCE RICHARDS |
| 2007 | DON MASHBURN |
| 2006 | GEORGE ENGLISH |
| 2005 | CHARLES A MILLER SR |
| 2004 | DON MASHBURN |
| 2002 | DALE WAMSLEY |
2.5 Litre Modified Records
| Record | Site | Driver/Owner | Speed |
|---|---|---|---|
| 5 mile/3 laps WORLD | Apr 24, 2022 Yelm, WA | Tom Thompson Joan English | 105.37 |
| 5 mile/4 laps WORLD | Jul 12, 2009 Olympia, WA | Tom Thompson G. English and R. Richards | 104.112 |
| 5 mile/5 laps WORLD | Apr 11, 2010 Yelm, WA | Tom Thompson G. English and R. Richards | 95.995 |
| Kilo WORLD | Oct 16, 2005 Lincoln City, OR | Dustin Echols Justin Weymouth | 137.279 |
| 1/4 mile APBA | Sep 30, 2012 New Martinsville, WV | Robert Kennedy Greg Isaac | 124.228 |
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Driving School Schedule
| Date | Location |
|---|---|
| 5/30/25 | Springfield, OH |
| 5/29/26 | Springfield, OH |


