In the past the motor displacement for normally aspirated was 900 cc for motorcycles and 1200 for automobile. With the dwindling supply Datsun 1200 motors, the governing board changed the motor displacement for both motorcycles and auto to 1000 cc and 1300 cc. Here is my question when they raised the bar for both, why did they not raise the displacement for turbo motors? The two rules were classified separately and they changed just one but not the other. Perhaps someone that was on the board at the time could lend some insight.

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Add Reply
- 2016 Races
- 2015 Races
- General Discussion
- IMSA Lites
- Vintage: H Modified
- Getting Started
- Driving Techniques
- Videos
- Data
- Aerodynamics
- Car Building
- TrackDay/Street/Solo cars
- Engine, Carburation, EFI, Oiling
- Rules Discussion
- Suspension, Tires, Wheels
- Other Technical Discussion
- For Sale: Cars
- For Sale: Engines & engine parts
- For Sale: Misc. Parts, Trailers, . . .
- Wanted: Cars & Parts
- Links, HOW TOs?, Reference info.
- Sold Items, (kept for reference)
- 2014 Races
- 2013 Races
- 2012 races
- 2011 Races
- 2010 Races
- 2009 Races
- 2008 Races
- 2007 Races
- 2006 Races
- 2005 Races
- 2000 - 2004 Race Results (read only)
- Weight Debate
















