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Old 10-31-2007, 04:22 AM
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Boost???

I'm sure there has been plenty posts on here about this topic, but...

How many pounds of boost can the Stock 7.3 Head Gasket Configuration take? Lets say on a 2000...


Just curious...
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Old 10-31-2007, 06:38 PM
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Anybody???
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Old 10-31-2007, 06:40 PM
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Not sure of the exact psi but its not a common thing for headgaskits to blow on 7.3's Seems to me its good to 40 plus psi could be more.
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Old 10-31-2007, 08:25 PM
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stock headgasket with stock head bolts = 40psi
stock headgasket with head studs = 55psi



Fast73, you will run into rod problems before you will lift a head. hybrids and a GT38R(shut up you TN guys) have a proven 450hp. That is with 37-40psi of boost. So, with a 2K PSD, you have PMR's and they like to snap or brake when you go over 400hp.
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Old 10-31-2007, 08:29 PM
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What are the limits on the OBS trucks?
I m waiting on my D66, Stage II's, and 17* HPOP

There on the way!!!yikes:
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Old 10-31-2007, 08:31 PM
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40psi for the OBS as well. the D66 tops out at 40psi as well.

You are going to be very happy with that combo you are getting.
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Old 10-31-2007, 08:35 PM
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I hope so... What kind of #'s should I expect? The engine has alot of miles but runs GREAT.... Plus it is intercooled, custome tunes and of course intake , exhayst, and guages..
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Old 10-31-2007, 09:20 PM
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Quote:
Originally Posted by forddieseltweek View Post
I hope so... What kind of #'s should I expect? The engine has alot of miles but runs GREAT.... Plus it is intercooled, custome tunes and of course intake , exhayst, and guages..

Mid 30's right to 40psi depending on the tune you are running is what I would expect.
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Old 10-31-2007, 09:24 PM
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What about a Hp and TQ estamite?
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Old 10-31-2007, 09:34 PM
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Edging 400hp on an extreme tune. That would yield about 800+ TQ.

I made 471hp with my D66 and 240cc B code injectors. Bean was pissed at me when he found out I went with B codes with his D66.
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