Normal boost pressure??? - Ford Powerstroke Diesel Forum
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post #1 of 5 Old 04-25-2013, 05:21 AM Thread Starter
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Normal boost pressure???

What is normal boost on these trucks? I have a minimax, dpf/cat delete, cai. I run on no power setting and never see more than about 23-24. Is this normal? I read about guys pushing 40 on stock motors??? I haven't seen any codes or any evidence of loosing pressure through piping.


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post #2 of 5 Old 04-25-2013, 06:35 AM
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WIth the hot damn on wild i see about 40 psi of boost.

08 F350 cc/sb 4X4
h&s minimaxx, 5" flo pro, 4" down pipe, no limit cold air intake, dirty diesel EGR delete with intake elbow, 6.0 exhaust manifolds, custom up pipes, ported intake manifold, Apex 71mm LP turbo, Rudy's cold side pipe, diesel site coolant and transmission filter, diesel site intercooler boots, ccv mod, bilstein shocks, gogo dd solenoid, HID lights, Airdog II 165, PMF traction bars, PMF drag link, moshimoto aluminum radiator
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post #3 of 5 Old 04-25-2013, 07:45 AM
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I have an 08 F350 CC Black Maxx dp and 5" back cai cac egr delete. That being said i can hit 40 effortlessly.

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post #4 of 5 Old 04-25-2013, 08:29 AM Thread Starter
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I'm having a hard time figuring out if I have a problem or not. Just went for a test drive. Hard on the throttle in both stock mode and Hot. Stock was about 31-32. Hot was 37-38. But it was not without trying. Seems like it builds higher the faster speeds I go. I'm used to getting boost compared to the load its under. Like when I'm pulling my tractor, not based on speed. I'm still new to sequential and variable geometry turbos, so maybe this is normal. I've driven semi's quite a bit and they build pressure under the load. Please let me know if I'm wrong on what to expect.


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post #5 of 5 Old 04-25-2013, 08:30 AM
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That sounds pretty normal to me. Maybe other will chime in.

08 F350 cc/sb 4X4
h&s minimaxx, 5" flo pro, 4" down pipe, no limit cold air intake, dirty diesel EGR delete with intake elbow, 6.0 exhaust manifolds, custom up pipes, ported intake manifold, Apex 71mm LP turbo, Rudy's cold side pipe, diesel site coolant and transmission filter, diesel site intercooler boots, ccv mod, bilstein shocks, gogo dd solenoid, HID lights, Airdog II 165, PMF traction bars, PMF drag link, moshimoto aluminum radiator
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