Max Turbo Boost psi for stock '01 7.3L? - Ford Powerstroke Diesel Forum
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Old 11-26-2008, 08:53 AM
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Max Turbo Boost psi for stock '01 7.3L?

Just wanted to know what kind of boost a stock turbo out of a '01 should be getting. Mine does not make much! I have a edge evolution that keeps records and the highest recorded psi was 19. That is standing on it to while pulling my boat. Is this normal or low?
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Old 11-26-2008, 09:05 AM
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i've heard from guys on the org that the stock 7.3 turbo will have problems anything over 30 psi, i 'm not 100% positive on this, but i know for a fact that on mine i can hit 38 psi on my street setting and only driving 3/4 throttle
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Old 11-26-2008, 09:10 AM
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I can hit 34 to 36 on stock turbo,about 3/4 throttle also.I recently changed my tunes around a little to back the boost down ..still 26 to 28 all day.With NO programmer 22lbs .Maybe your not getting a good reading.
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Old 11-26-2008, 09:13 AM
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like you said, it seems like something isn't being read right
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Old 11-26-2008, 11:06 AM
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22 lbs on a stock truck NO WAY!!!! Where are you drawing your readings from?
A stock truck should put out 15-17lbs max. With a chip or tuner it will vary greatly as there are many variables. The stock turbo won't last long when pushed past 25lbs on a reg basis.
Remove the Supercraps tune and see what you can pull. If you can hit 15-17lbs all is good. If you can't start checking for leaks!!

NCH
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Old 11-26-2008, 11:10 AM
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Yeah these numbers people get are way off! a stock turbo really isnt going over 30 on stock sticks, and even then it isnt lasting long at all
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Old 11-26-2008, 11:12 AM
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Mine has read up to 30 and its hooked up to the map line, at or a little after 30 is when the check engine light comes on. I have mine hooked up the way it is susposed to be...
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Old 11-26-2008, 11:14 AM
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most I'v seen is 28psi @ WOT going up hill DP tuner 140, also hit 1300 deg EGT.
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Old 11-26-2008, 06:02 PM
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my truck hit 27psi and my boost gauge is hooked to the map line with 8 foot of clear hose to the boost gauge
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Old 11-26-2008, 06:08 PM
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Quote:
Originally Posted by Snowman66 View Post
most I'v seen is 28psi @ WOT going up hill DP tuner 140, also hit 1300 deg EGT.





I hit 28-30 on my extreme tune from Tony that the highest it will go and I will run right around 1200 on the egts
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