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post #1 of 11 Old 02-19-2010, 03:08 PM Thread Starter
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Boost readings

I have a 02 f250 with the 7.3 and the only thing I have done is.. 4in turbo back exhuast.. what should be my boost range..... cause i think i have a leak somewhere
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post #2 of 11 Old 02-19-2010, 03:22 PM
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19-20 before a check engine light pops on. it will be hard to hit those numbers too. realistic numbers w/out a chip will be somewhere in the ball park of 15-18ish

Built engine, rods, pushrods, cam, springs. Meth, turbo, injectors, fuel system, oil system. 3 disk billet, billet shafts built trans, 6.0 IC, exhaust, intake. Latter bars, gears, system, tint, HIDs. You know the typical stuff to make a 7.3 get out of its own way... dont brake.
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post #3 of 11 Old 02-19-2010, 03:32 PM
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I've pushed 27psi after IC with chip on 80hp tune. don't know about before chip tho

2003 F250 FX4 7.3L CC/SB Lariat
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post #4 of 11 Old 02-19-2010, 03:33 PM Thread Starter
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today i had some gauges installed.. and when me and the diesel mech.. went for a ride... all i can get is 9psi..... so well started to look at everything... the line to the gauge was good no kinks or anything of that nature.. he ran out of time to figure out why... and we didnt dig to deep into it.. any ideas



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19-20 before a check engine light pops on. it will be hard to hit those numbers too. realistic numbers w/out a chip will be somewhere in the ball park of 15-18ish
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post #5 of 11 Old 02-19-2010, 03:51 PM
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i can get about 22 but thats wot on my 75hp setting but i think i have a leak as well


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post #6 of 11 Old 02-19-2010, 04:13 PM
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alot of people have told me if hhave low boost always check your boots and up pipes those are the usually number one problems with boost leaks.

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post #7 of 11 Old 02-19-2010, 05:11 PM
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ya 9 psi is too low. I would say for sure a boot is loose. if your egts are high then for sure its a boot.

Built engine, rods, pushrods, cam, springs. Meth, turbo, injectors, fuel system, oil system. 3 disk billet, billet shafts built trans, 6.0 IC, exhaust, intake. Latter bars, gears, system, tint, HIDs. You know the typical stuff to make a 7.3 get out of its own way... dont brake.
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post #8 of 11 Old 02-19-2010, 05:16 PM
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Exact same thing happened to me. Search boost leak detected on google and make you or buy you one. I replaced my intercooler boots and got up from 9 to about 18 now I gotta check the up pipes
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post #9 of 11 Old 02-19-2010, 05:48 PM Thread Starter
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what do i need to check on the up pipe


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Originally Posted by Mikey's250 View Post
Exact same thing happened to me. Search boost leak detected on google and make you or buy you one. I replaced my intercooler boots and got up from 9 to about 18 now I gotta check the up pipes
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post #10 of 11 Old 02-19-2010, 06:09 PM
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Visually look for any soot, =exhaust leaks around the up-pipe doughnut gaskets...

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