Guest daz 6576 Posted September 22, 2007 Share Posted September 22, 2007 hi there, i have recently taken out the second cat so it is fully de-catted now. when i accelerate it will pull really well up until a certain point when the car will try to cut the fuel around 14- 15 psi. do i need a fuel cut defencer Quote Link to comment Share on other sites More sharing options...
Nic Posted September 22, 2007 Share Posted September 22, 2007 The stock ECU will cut fuel at 1bar/14.5psi, yes you will need to fit a Fuel Cut Defencer (FCD) to either remove or raise the fuel cut level. I'd recommend fitting a GReddy BCC. Is it a J-spec or UK spec Supra? If J-spec you'll also need colder grade plugs and a restrictor ring fitting to limit peak boost. Have a read of this -> BPU Quote Link to comment Share on other sites More sharing options...
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