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post #1 of 15 Old 11-14-2012, 08:37 AM Thread Starter
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Boost

Hey y'all, I unplugged that red wire off the wastegate, and I'm hitting 30-34 pounds of boost on stock turbo, stock injectors, and wildman tunes. Is it okay to run that much boost on the turbo??


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post #2 of 15 Old 11-14-2012, 10:27 AM
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not really
i think it loses efficiency after 28 lbs of boost.

99.5 f250 7.3 4x4 258k
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post #3 of 15 Old 11-14-2012, 11:59 AM
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My truck boosts that high with the line installed.I just seem to blow intercooler boots off.I since have ordered better ones.My truck used to spool about 25 psi at its highest with a 38r turbo.But I never adjusted my wastegate until recently and now she runs like a scalled dog.It will boost 30+ right now.My truck likes the boost!But dont overdo it because the motor will eventually get mad at you and puke.
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post #4 of 15 Old 11-14-2012, 12:19 PM
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clean the intercooler pipes good too.
also if you keep blowing boots off spray some white rain hairspray on the inside of the boot when you slip them back on. this will help hold them

these trucks dont usually have head gasket issues.
40+ lbs of boost is when you get some problems.

99.5 f250 7.3 4x4 258k
PHP Phoenix, S&B CAI, 4" TBE, Hpx, Stancor, RR Billet Wheel, AIH Delete, Autometer Gauges, Leveling kit, Transgo kit, Warn Hubs, Int'l Up-Pipes, RR IC Boots, Non-Ebpv Pedestal, High Flow Outlet, RR OCR, 08 Tow Mirrors.

Dad-2000 7.3 109k miles, Autometer Gauges, Superchips 1705, AIH Delete, 6637, 4" TBE, BD Billet Wheel, TruCool Max
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post #5 of 15 Old 11-14-2012, 08:43 PM Thread Starter
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See idk why it's pushing so much on the stock turbo I guess cuz it's a standard I can hold it there longer and get alittle more out of it?


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post #6 of 15 Old 11-18-2012, 07:10 AM
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I had that problem blowing off boots between my turbo and intercooler. They used the stock, blue ford ones...they're no good with a 38r. Went from pushin 38-39lbs to 48-49lbs. Need to back it off...no mods and powdered-metal rods.

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post #7 of 15 Old 11-18-2012, 08:11 PM
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Quote:
Originally Posted by Dadada View Post
My truck boosts that high with the line installed.I just seem to blow intercooler boots off.I since have ordered better ones.My truck used to spool about 25 psi at its highest with a 38r turbo.But I never adjusted my wastegate until recently and now she runs like a scalled dog.It will boost 30+ right now.My truck likes the boost!But dont overdo it because the motor will eventually get mad at you and puke.
Boost doesn't kill engines...

Quote:
Originally Posted by jays big blue View Post
I had that problem blowing off boots between my turbo and intercooler. They used the stock, blue ford ones...they're no good with a 38r. Went from pushin 38-39lbs to 48-49lbs. Need to back it off...no mods and powdered-metal rods.
You're pushing close to 50 pounds of boost, on stock injectors, with a 38R?
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post #8 of 15 Old 11-19-2012, 04:42 AM
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yup. Boost might not kill an engine...blowin a head gasket or stud is pretty likely though.

2001 f250 4dr, 4wd, auto
garrett 38r, afe, 4", snow performance meth injection, bully dog triple gauge, 17" moto-metals w/ 305's, alpine touch screen dvd/nav...and who knows what else...
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post #9 of 15 Old 11-23-2012, 10:08 PM
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That type of boost will kill the stock turbo pretty quickly tho. dont be surprised if you hear it pop soon.

And the guy running 50psi on stock injectors, there is something wrong there. Even with 250s I have yet to see over 40...

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post #10 of 15 Old 11-23-2012, 11:28 PM Thread Starter
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Haha i plugged the red wire back on, the truck is for sale now and don't want to mess anything up


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