Members potaetoes Posted October 2, 2009 Members Share Posted October 2, 2009 the STi is a 2.5 I guess they have to use a different engine ha, actually they dropped out of WRC when the S2000 rules went into effect... but their '08 car had a 2.0 liter powerplant at 300hp. from subaru's site:"How much horsepower does a rally car have?This really depends on what class the rally car runs in. For example, the rally cars of Subaru Rally Team USA run in the Open Class, where they are required to fit a 34mm intake restrictor on the turbocharger. This limits horsepower to around 350hp. Other rally cars in the Group N or PGT class of Rally America are fitted with 32mm restrictors which limit power to between 220hp to 275hp. "so there you go... restrictor plate. Link to comment Share on other sites More sharing options...
Members mcr23 Posted October 2, 2009 Author Members Share Posted October 2, 2009 :oh Link to comment Share on other sites More sharing options...
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