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post #1 of 9 Old 04-26-2007, 08:17 PM Thread Starter
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what type of boost you getting. stock or modified/

I know of guys getting over 35 psi on cummins and i head over 30 on a 7.3 will pop head gaskets... whats good or average.
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post #2 of 9 Old 04-26-2007, 08:47 PM
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I can get my stocker over 30 loaded, up a hill. I try to keep it under 25-27, I think that's about the limit for the stock turbo. I think 7.3's can take 35-40 before needing headstuds, rods, etc. I'm interested in this also, with my new turbo on the way. What is the max?

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post #3 of 9 Old 04-26-2007, 09:52 PM
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Mine runs at 32-35psi MAX with the garret GTP38R BB turbo under load. I have had it on the truck for the past 25k with no problems.

2002 F350 Crew Cab
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post #4 of 9 Old 04-27-2007, 03:18 AM
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i can peg my 30 lb gauge with stock turbo but i have bad turbo surge at times , gonna buy aftermarket turbo soon

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post #5 of 9 Old 04-27-2007, 04:12 AM
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06 with SCT Xcal2, MBRP exhaust, intake... get 32psi if I catch it right. Everything seems fine. Stock engine otherwise. Thinking of doing head studs, turbo, and injectors soon. I gotta buy a car and stop trying to race this thing. it's a truck man! but looks ooooooh so good goin down the strip and scarin ricers!


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post #6 of 9 Old 04-28-2007, 07:24 PM
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post #7 of 9 Old 04-29-2007, 10:13 AM
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my 96 probably gets around 20psi but my dads 06 can peg out the 40psi no joke i witnessed with my own eyes!


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post #8 of 9 Old 04-29-2007, 10:21 AM
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my truck pegs out at 32 with the ts all the way up and the wastegate unplugged with no load but it does tyr to surge alittle until i shift into overdrive.

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post #9 of 9 Old 04-29-2007, 10:28 AM
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i have a stock 96er, the best i can do with no load is 16psi. i don't know what i can do under a load since i don't carry enough to find out.

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