quick turbo question
quick turbo question didnt have any 02 bungs on my custom front mount kit figureing i nned to add some just after the headers True?
also whats the best place for a wide band in the crossover or in my down pipe or doesnt it matter
also whats the best place for a wide band in the crossover or in my down pipe or doesnt it matter
if you go open loop speed density you dont need them at all 
but i'm wondering about the wideband too, weather to put them where the pipes merge together before the turbo or in the down pipe or what
but i'm wondering about the wideband too, weather to put them where the pipes merge together before the turbo or in the down pipe or what
is it better to go open loop? do you have to do that if you do a SD tune. What are the benefits? Dont wanna hi jack your thread grant but im sure you are wondering the same thing
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TECH Apprentice
Joined: Sep 2005
Posts: 334
Likes: 1
I usually shoot for 18" - 24" past the turbine. Also, be sure that the sensor is somewhat vertically upright; ideally between the 10:00 and 2:00 positions; this prevents condensation from pooling into the sensor when you park your car.
TECH Apprentice
Joined: Sep 2005
Posts: 334
Likes: 1
Both rely on a VE maps (and sometimes, other "correction" tables such as IAT, ECT, yada yada yada). Open Loop does not make any adjustments based on O2 feedback, while closed loop does (adjustments may be based on long term feedback, short term feedback or both, depending on tuner's preference and system capability). Which is "better" and why could be debated to the end of the internet. Long story short: its the tuner's preference for each specific application.
Hey thanks for all the info im going to have to call my tuner and see what he perfers but is thier a prefrence open or closed loop for daily driver or does it not matter street or strip being open or closed loop?
i like OLSD as you have absolute total control, nothing to do little tricks behind your back, but everyone is different. do a search in the PCM section, been discussed a few times already
200 bucks and 70 to replace the sensor (if it fails-mines going a year strong) is expensive? the peace of mind knowing whats going on is enough for me
Last edited by Hennytime; Mar 22, 2008 at 11:06 AM.
they are 50 bucks if you know where to look 
but i did some reading and it says that the closer it gets to the turbo the more you have to make a heat shield to not cook it
i'm going to put it about 2.5 feet from the turbo, that would be perfict for me
but i did some reading and it says that the closer it gets to the turbo the more you have to make a heat shield to not cook it
i'm going to put it about 2.5 feet from the turbo, that would be perfict for me
