Ballyhannon Posted July 29, 2014 Share Posted July 29, 2014 Running a 1.5 engine on a 4efe ecu wish to increase fuel pressure advice please as to what is the best regulator? Quote Link to post Share on other sites
mikey4410 Posted July 29, 2014 Share Posted July 29, 2014 On an n/a I believe its a 1.7 ratio u need and not a 1.1 ratio of a turbo one. Quote Link to post Share on other sites
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