Normal max boost pressure on a 2000 7.3L engine - Ford Powerstroke Diesel Forum
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post #1 of 8 Old 08-09-2011, 12:14 PM Thread Starter
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Normal max boost pressure on a 2000 7.3L engine

Using an ODBII scanner, I'm seeing a reported 13psi of boost when rolling on the throttle hard on an uphill in 6th gear, unloaded. Is that normal? What's the normal max boost one of these engines has stock with no upgrades or chip installed?
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post #2 of 8 Old 08-09-2011, 09:06 PM
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Sounds a lil low, you should be seeing 15-18... i'd get some real gauges(mechanical boost gauge, only like 30 bucks) and see what y ou get.
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post #3 of 8 Old 08-13-2011, 02:49 PM
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With the AIS air intake I can get over 25 on my 2000 auto, all stock.



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post #4 of 8 Old 08-15-2011, 06:30 PM
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Originally Posted by merc123 View Post
With the AIS air intake I can get over 25 on my 2000 auto, all stock.
what rpms are you at when you get 25psi
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post #5 of 8 Old 08-16-2011, 02:25 AM
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2500 or so I think. Haven't paid much attention to RPM's, just EGT's when it happens.



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post #6 of 8 Old 08-16-2011, 02:43 AM
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Originally Posted by merc123 View Post
With the AIS air intake I can get over 25 on my 2000 auto, all stock.
Stock? Your PCM should de fuel around 23PSI.
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post #7 of 8 Old 08-16-2011, 04:41 AM
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Stock? Your PCM should de fuel around 23PSI.
It was either after the AIS or after muffler delete. Can't remember which but it would stop at around 20 or 21 but not goes up to 25 I believe. I'll double check.



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post #8 of 8 Old 08-19-2011, 11:25 AM
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Ive seen near 30psi but thats with a TS chip and pretty hard on it in 5th gear before shifting into 6th. anywhere between 17-22 is "normal" for stock
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