99 7.3 just a few questions - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 8 (permalink) Old 11-02-2007, 05:35 AM Thread Starter
 
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99 7.3 just a few questions

I have a 99 7.3 with intake 4in down pipe 5in back ts 6 bank chip . when im pulling a trailer mainly up inclines with the egt around 1000 and boosting around 15psi to 25psi depending some times it sounds like its blowing off and trying to intake at the same time and the turbo sounds like its skipping engine sounds the same and will still acclerate,all hp settigngs but stock. any thoughts ?? what are "normal" egt's for pulling moderate loads no 10000 pound loads. Is 30-32psi to much for a factory turbo and engine ??
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post #2 of 8 (permalink) Old 11-02-2007, 05:39 AM
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sounds like a turbo surge problem, an ats ported housing and wicked wheel should fix that, but if you want to run 30+psi very much you should just upgrade turbos because that is going to wear on that stocker.

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post #3 of 8 (permalink) Old 11-02-2007, 05:41 AM
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I should have asked is that a early or late 99? the turbos are different and the diagnosis may be different

Ross
Show-ME Smokers 2.6 modified street pulling truck "The Lone Stroke" My Videos
1996 f350, powerstroke, 4x4, 5-speed, 4.56 gears, Swamps 450/600 injectors, Swamps BFH turbo, Swamps Idm, Swamps tunes, BTS oil, SBC clutch, studs, springs, tubes, air to water intercooler, fuel system, factory rods!


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1997 f350, srw, reg cab, 4x4, 5 speed, 4.10 gears, 3in down pipe, straight pipe, mystery chip.

Becker Brothers Enterprises
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post #4 of 8 (permalink) Old 11-02-2007, 05:48 AM Thread Starter
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The date on the door is early 99 but the pcm was replaced with one with the letters nvk which was not upgraded for performance not sure if that has any signifacance to the prob
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post #5 of 8 (permalink) Old 11-02-2007, 07:46 AM
 
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It's turbo surge. And 32psi will kill the stocker
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post #6 of 8 (permalink) Old 11-02-2007, 02:36 PM Thread Starter
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thanks guys
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post #7 of 8 (permalink) Old 11-02-2007, 02:44 PM Thread Starter
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looks like ats sells housings for 99.5 powerstrokes any ideas ??
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post #8 of 8 (permalink) Old 11-02-2007, 04:06 PM
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http://www.beansdieselperformance.com/99-03turbo.htm

Bottom of the page... about your only option with out swapping everything to a late 99 set up.

Or you can go with an H2e type set up.

01 F-250 SC PSD,210k,16 Isspro Gauges, AFE-2,CCV Mod,IAH delete,map reg,Modded H2e, 6.0 IC, GTS Hybrid injectors, Studs, 910 Valve springs, Forged rods Water injection,Swamps tuned, MBRP 4" dual's, Aero, 6" tip's, 100 axl tank, 4" Revtek lift, 37-14.50-17 TOYO MT's 469hp and 1068tq...

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