Kelly Gordon Posted December 19, 2012 Report Share Posted December 19, 2012 What trigger mode would I need to use to run a USDM 2.0L WRX motor with my G4 extreme? I was going to go with Subaru V1-6 but also heard that Subaru V7-10(JDM) could be used. Engine has Cosworth USDM cams and USDM fixed cam gears w/ reluector type cam position sensor. Thanks.  KG Quote Link to comment Share on other sites More sharing options...
Stevieturbo Posted December 25, 2012 Report Share Posted December 25, 2012 What age is the engine ? the trigger wheels changed in 2001 when the new model car came out. You need to select based on that, not what cams are fitted. How many teeth are on your crank trigger wheel ? Old cars had 6 unevenly spaced. New model cars have 36 in theory, although almost half of them are missing that's an easy way to identify age. Quote Link to comment Share on other sites More sharing options...
Kelly Gordon Posted December 26, 2012 Author Report Share Posted December 26, 2012 I got the car running this weekend using the Subaru V7-10(JDM) trigger mode. No trigger errors and startup on the first crank.  I'm running Cosworth 275 non-AVCS USDM 2.0L WRX cams BTW. Quote Link to comment Share on other sites More sharing options...
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