Correct Boost with CTS? - Ford Powerstroke Diesel Forum
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Old 12-31-2011, 05:09 PM
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Correct Boost with CTS?

Okay so I have read that when tuned the CTS/ CS doesnt read the true boost. Who has any actual knowledge on this I want to know if I should add a boost gauge tapped into the intake elbow or not. I have a powermax as well so I would really like to know what my true boost is. I have heard some people say that the tune writers tweek this so the computer thinks otherwise.
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Old 01-02-2012, 05:11 PM
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No one has any insight on this???
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Old 01-02-2012, 05:15 PM
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When you are tuned. Your tuner basically writes a boost cooler into the system... So yes your boost numbers will be in-accurate, unless
Whoever writes your tune, writes the tune to prevent boosting above "x" lbs's and that "x" is under fords safe boost level an will allow it to read correctly .


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Old 01-02-2012, 05:19 PM
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Mine reads pretty true to the factory. I'm running the SRL.
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Old 01-02-2012, 05:40 PM
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Quote:
Originally Posted by majek5 View Post
Mine reads pretty true to the factory. I'm running the SRL.
they both read off the map is why.

To get a correct boost number you need a gauge tapped in the intake elbow.

all 3 of my 6.0s peak at 29psi with the factory gauge/edge reading. Aftermarket gauge keeps going.
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Old 01-02-2012, 09:11 PM
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Okay thats what I thought. I dont know what it is but I can never get that much boost with my SRL, stock turbo or powermax. I told matt im not studded, but I would think I should make more than 26. I know with my stocker I could hit 28. Im 99% sure everthing is working right. I dont know if being sea level has anything to do with it. Anyways back to my topic, Im thinking of getting another CTS pressure sensor and mounting it in my intake elbow, that way I can measure both on my CTS and see the two side by side and see what the difference is.
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Old 01-03-2012, 05:07 AM
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Mine tapped into my intake elbow reads within 1 psi of my reading on my Insight CS.
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Old 01-03-2012, 05:00 PM
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Quick question! I have my boost gauge ran to my hose running to my intake manifold is that an accurate read or should i move it to my intake manifold?
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Old 01-03-2012, 05:37 PM
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I would put it in the intake elbow. Even your map is reading the correct boost "T-ing" off on the map causes some guys gauge needle to flutter.
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Old 01-03-2012, 05:39 PM
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yup mine flutters and it is in the tube going to the manifold
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