BOOST - Ford Powerstroke Diesel Forum

 
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post #1 of 7 Old 11-18-2012, 06:38 PM Thread Starter
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BOOST

WHAT KIND OF BOOST SHOULD I BE SEEING? AT FULL LOAD I HAVE NEVER SAW MORE THAN 21. SOUNDS LIKE IT KEEPS TRYING TO GET UNDER TURBO CHARGER. SINCE INSTALLING COLD AIR INTAKE IT HAS STARTED THIS. TURBO HISSES REALLY LOUD AND BARKS ALOT. DO I NEED TO UPGRADE MY COMPRESSOR WHEEL?
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post #2 of 7 Old 11-19-2012, 12:41 AM
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Installing one of those shock collars may help with the barking problem .

Putting the cold air intake probably just made you able to hear the symptoms your describing and not actually causing them. WHat do you mean by get under turbo charger?
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post #3 of 7 Old 11-19-2012, 03:00 AM Thread Starter
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Have you ever been to a tractor pull and when they get to the end and under heavy load the turbo starts chirping? It like there is more exhaust pressure than intake pressure causing the compressor wheel the be pushed instead of turned.
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post #4 of 7 Old 11-19-2012, 03:31 AM
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It's just surge (if it's doing it under load) or the air coming back out if you just let off the throttle. Normal.



2000 F-350 Lariat Super Duty, Dually, CCLB, 7.3L
4R100, 2wd
330,000 + miles
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post #5 of 7 Old 11-19-2012, 03:39 AM Thread Starter
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Ok so i turn my programmer off and i can only build 14 lbs of boost. Ive got something wrong. It wint get out of its own way.
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post #6 of 7 Old 11-19-2012, 07:22 AM
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Quote:
Originally Posted by JDSTROKER View Post
Ok so i turn my programmer off and i can only build 14 lbs of boost. Ive got something wrong. It wint get out of its own way.
With no tuner... I can rarely get my turbo to spool to 16lbs.
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post #7 of 7 Old 11-19-2012, 12:54 PM
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Ok so check for exhaust leaks, boost leaks, or a sticking EBPV. Also, how are you reading boost?



2000 F-350 Lariat Super Duty, Dually, CCLB, 7.3L
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