turbo upgrade - Ford Powerstroke Diesel Forum
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post #1 of 9 Old 06-18-2011, 08:21 AM Thread Starter
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turbo upgrade

i am wanting to know how much boost i can push before having to worry about total destruction of my motor with studs vlave springs and pushrods only.

harness00 2000 ford f-250 7.3 psd swamps hybrid 250/100% injectors, swamps high frequency idm, custom ts chip, garrett gtp38r turbo, k&n intake, banks techni cooler, hpx cross over line, fuel lab prodigy fuel pump, south bend ceramic button clutch, adrenaline hpop, driven regulated return, swamps high rate valve springs, smith brothers billet pushrods, 4in down pipe 5in exhaust, 5" miter cut black stack, soon to be 7" hood stack probably.
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post #2 of 9 Old 06-18-2011, 01:35 PM
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I have NO IDEA, but my GUESS would be 40psi w/ your mods. Heres a anyway... (I'm curious...)
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post #3 of 9 Old 06-18-2011, 03:57 PM Thread Starter
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i'm pushing 55 now on the garret and i have no studs or anything ive heard of people pushing 75 with no issues to the bottom end

harness00 2000 ford f-250 7.3 psd swamps hybrid 250/100% injectors, swamps high frequency idm, custom ts chip, garrett gtp38r turbo, k&n intake, banks techni cooler, hpx cross over line, fuel lab prodigy fuel pump, south bend ceramic button clutch, adrenaline hpop, driven regulated return, swamps high rate valve springs, smith brothers billet pushrods, 4in down pipe 5in exhaust, 5" miter cut black stack, soon to be 7" hood stack probably.
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post #4 of 9 Old 06-18-2011, 04:45 PM
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75?????? Holy Hell!

I would th ink the aluminum pipes would split....let alone everything else!
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post #5 of 9 Old 06-19-2011, 04:19 PM Thread Starter
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i dont have any problems out of mine i just need more turbo to lower egts

harness00 2000 ford f-250 7.3 psd swamps hybrid 250/100% injectors, swamps high frequency idm, custom ts chip, garrett gtp38r turbo, k&n intake, banks techni cooler, hpx cross over line, fuel lab prodigy fuel pump, south bend ceramic button clutch, adrenaline hpop, driven regulated return, swamps high rate valve springs, smith brothers billet pushrods, 4in down pipe 5in exhaust, 5" miter cut black stack, soon to be 7" hood stack probably.
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post #6 of 9 Old 06-19-2011, 09:32 PM
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i dont have any problems out of mine i just need more turbo to lower egts
dont expect that 38r to last too long pushin that kinda boost.
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post #7 of 9 Old 06-19-2011, 11:40 PM
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75 psi is worthless. At that point you're just superheating the air, and will have a SPECTACULAR failure on your hands. Boost is a measure of restriction in the intake. A proper setup flows a larger volume at a lower pressure. These aren't gas jobs, where boost is power.



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post #8 of 9 Old 06-26-2011, 04:55 PM Thread Starter
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dont expect that 38r to last too long pushin that kinda boost.
my garrett isn't really a garrett i had it custom made by a guy who used to work for tdi and he specialized in turbo build he built mine to take im what giving it but thanks for the info oon boost so what would be you recomendation on a turbo to lower egts i'm actually perfectly happy with my boost levels i just want to quit pegging a 1600 degree gauge by 60 mph when im racing on the street

harness00 2000 ford f-250 7.3 psd swamps hybrid 250/100% injectors, swamps high frequency idm, custom ts chip, garrett gtp38r turbo, k&n intake, banks techni cooler, hpx cross over line, fuel lab prodigy fuel pump, south bend ceramic button clutch, adrenaline hpop, driven regulated return, swamps high rate valve springs, smith brothers billet pushrods, 4in down pipe 5in exhaust, 5" miter cut black stack, soon to be 7" hood stack probably.
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post #9 of 9 Old 06-28-2011, 04:41 AM
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ive always heard 40psi as a standard answer for studs. i would stick with that. but of course it will vary per truck.

as far as lowering egt's, what about a matched IC or water injection?

-Matt

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