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north central Ohio | I had a 2007 freightliner with 14 liter detroit “tuned” and guy that did it told me to add a turbo pressure gauge and exhaust temp gauge to help narrow issues down if any arise. Said 900 degrees fahrenheit or less engine was running good. Turbo psi tops out at about 34-35 on hard pulls and exhaust will push 900F. If you posted before I missed it what age engine is this? | |
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