Blackie Posted May 8, 2007 Share Posted May 8, 2007 hi all, i have a non turbo supra, i was wondering if the amount of fuel and the pressure of it can be changed? not by buying any add ons but just turning screws and so on. if so how, cheers Link to comment Share on other sites More sharing options...
Jake Posted May 8, 2007 Share Posted May 8, 2007 The stock fuel pressure regulator isn't adjustable. Link to comment Share on other sites More sharing options...
Blackie Posted May 8, 2007 Author Share Posted May 8, 2007 nice one chap, thats all i need to know Link to comment Share on other sites More sharing options...
Chris Wilson Posted May 9, 2007 Share Posted May 9, 2007 You can cheat by crushing the regulator can to compress the spring more. Done carefully in a press, with a form tool, no one would ever know it's been tampered with. It's fairly common in race series where you are SUPPOSED to run a stock fuel system, but want to richen things up, with everything looking outwardly stock. *I* wouldn't do such a dastardly thing, mind you.... Link to comment Share on other sites More sharing options...
Bob Posted May 9, 2007 Share Posted May 9, 2007 Or buy an FSE boost valve. Link to comment Share on other sites More sharing options...
Al Massey Posted May 9, 2007 Share Posted May 9, 2007 Or buy an FSE boost valve. dont touch them,they cr*p and can be dangerous, Link to comment Share on other sites More sharing options...
JohnA Posted May 9, 2007 Share Posted May 9, 2007 I remember a well-known Vaux 'tuner' banging FPRs with a hammer to increase fuel pressure. Not sure how he would unwind it back a bit if the pressure had gone through the roof, though... Link to comment Share on other sites More sharing options...
Chris Wilson Posted May 9, 2007 Share Posted May 9, 2007 Would that have been Bill Blydenstein by any chance? Link to comment Share on other sites More sharing options...
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