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88turboii · 05-08-2012, 04:56 PM

i have an extra spring on my S5 hybrid too. another problem ive discovered, if you are running the factory turbine wheel, it can cause so much back pressure that it will open the wastegate by itself. the extra spring helps keep it closed until the actuator wants it open. that could have been happening, especially at high rpm. and ive never heard of running too rich that it limits boost, unless its actually misfiring

05-08-2012, 04:56 PM	#32
88turboii destroy, rebuild, repeat Join Date: Feb 2008 Location: Charleston, SC Posts: 395 Rep Power: 18	i have an extra spring on my S5 hybrid too. another problem ive discovered, if you are running the factory turbine wheel, it can cause so much back pressure that it will open the wastegate by itself. the extra spring helps keep it closed until the actuator wants it open. that could have been happening, especially at high rpm. and ive never heard of running too rich that it limits boost, unless its actually misfiring __________________ 1993 RX-7 Touring MB, stockport 13B-REW, 9.4CR rotors, T04S 60-1/p-trim single turbo 1986 RX-7 Base project track beast Last edited by 88turboii; 05-08-2012 at 04:59 PM.