'04 EJ20 to '04 EJ257 long block..
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10-08-2012, 12:38 AM
2004 WRX wgn, built!
I was thinkin about loading a cobb 04 STi stage 1 tune for break in on low boost.. wouldnt an sti tune make correct adjustments for 2.5 litres? Not sure if the ecu will let me load an EJ25 map on my EJ20 ecu but worth a shot?
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