how much boost before fuel cut???
#1
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how much boost before fuel cut???
Aight i have an 88 turbo 2 with a manuel bc and was wondering when does the fuel cut happen on these i have a walbro 255 large streetport three inch intake just in case thought i would let yall know thanks guys
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I do not i do need one though how much how much would u want for it and is it ok to boost about 2500 miles on motor cause i did it today and held at 3 psi and droped it to 0 psi i have another thread about that its called "boost issue"
#19
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If your exhaust is free-flowing, as well as your intake, boost creep is pretty much guaranteed. Instead of hitting fuel cut, you'll overboost instead. Also, FCDs alter the boost signal to the ECU, which means negative effects on fuel and timing. Honestly, since the Rtek chips became available, there's no reason anyone should be using an FCD.
#21
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If your exhaust is free-flowing, as well as your intake, boost creep is pretty much guaranteed. Instead of hitting fuel cut, you'll overboost instead. Also, FCDs alter the boost signal to the ECU, which means negative effects on fuel and timing. Honestly, since the Rtek chips became available, there's no reason anyone should be using an FCD.
#22
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Thanks for the clarification RR.
Incubuseva, I don't think fuel cut will actually kill a motor. And all the rtek chips have FCD's now.
Also, n0ferz, there's no real point to run that much boost on a stock turbo. You're basically just overheating the turbo at that point or close to it.
Incubuseva, I don't think fuel cut will actually kill a motor. And all the rtek chips have FCD's now.
Also, n0ferz, there's no real point to run that much boost on a stock turbo. You're basically just overheating the turbo at that point or close to it.
#23
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Rtek 1.x chips are cheap, don't fool the ECU by changing the boost signal, and have many other nice features. http://www.pocketlogger.com/index.ph...age=1&ecu=S4T2
#25
hey sorry for reviving this thread idk if anyone will even see this. I have a s4 na car with s5 t2 with stock s4 t2 ecu. But my gauge shows its hitting 10 psi i havent hit fuel cut. I do have a 255 pump and my afm is rewired to the s5. So my pump is always on when the key is on. Is it bad to hit 10psi? I do have a 3inch exhaust complete emissions delete. It runs and drives really great. Running 97 Premix and fmic. I do have an aftermarket boost controller turned all the way down.
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