06-28-2014, 01:45 AM
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#3 |
 Toyota Racing Development Join Date: Apr 2007
Posts: 5,038
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The stock fuel system and ECU will handle the 57 trim in MOST cases without issue. You may run into fuel cut at higher RPM but I don't think you should see much of that as long as you're not increasing the boost pressure beyond the stock level.
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