GTP-38r Issue... Really... - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 26 (permalink) Old 09-04-2007, 09:54 PM Thread Starter
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GTP-38r Issue... Really...

How much play should the turbo have up and down when you grab the wheel? When we put the injectors in this weekend it seems to have a bit of up and down play... (atleast I think it was up and down but it could have been in and out... Too much beer...)

Real question here

[CENTER]01 F-250 SC PSD,430k,16 Isspro Gauges, AFE-2,CCV Mod,IAH delete,map reg,Modded H2e, 6.0 IC, 230/100, Studs, 910 springs, Forged rods, Hydra chip, Swamps HVHF IDM, MBRP 4" dual's, Aero, 6" tip's, 4" Revtek lift, 37/12.5/16.5 MT's
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post #2 of 26 (permalink) Old 09-04-2007, 10:02 PM
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Re: GTP-38r Issue... Really...

I know a little bit is ok. Mine always felt like it was moving a millimeter or two up and down when I'd check it.

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post #3 of 26 (permalink) Old 09-04-2007, 10:05 PM Thread Starter
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Re: GTP-38r Issue... Really...

I need to pull the intake tube again and see what way it was moving... It just makes a weird kinda tinging noise when its spooling down...

[CENTER]01 F-250 SC PSD,430k,16 Isspro Gauges, AFE-2,CCV Mod,IAH delete,map reg,Modded H2e, 6.0 IC, 230/100, Studs, 910 springs, Forged rods, Hydra chip, Swamps HVHF IDM, MBRP 4" dual's, Aero, 6" tip's, 4" Revtek lift, 37/12.5/16.5 MT's
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post #4 of 26 (permalink) Old 09-04-2007, 10:07 PM
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Re: GTP-38r Issue... Really...

Tinging noises are not a good thing.

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post #5 of 26 (permalink) Old 09-04-2007, 10:08 PM
 
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Re: GTP-38r Issue... Really...

in and out will tell the story.

Is it contacting the housing.
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post #6 of 26 (permalink) Old 09-04-2007, 10:24 PM Thread Starter
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Re: GTP-38r Issue... Really...

I didnt see anything on the compressor side, but really I was just slaming injectors in to get her running again... and looking at my PMR's thru the inspection port...

[CENTER]01 F-250 SC PSD,430k,16 Isspro Gauges, AFE-2,CCV Mod,IAH delete,map reg,Modded H2e, 6.0 IC, 230/100, Studs, 910 springs, Forged rods, Hydra chip, Swamps HVHF IDM, MBRP 4" dual's, Aero, 6" tip's, 4" Revtek lift, 37/12.5/16.5 MT's
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post #7 of 26 (permalink) Old 09-04-2007, 10:27 PM
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Re: GTP-38r Issue... Really...

My 38R has flopped all over the place from day one. ALLL around a LOT, lol.
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post #8 of 26 (permalink) Old 09-04-2007, 10:34 PM Thread Starter
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Re: GTP-38r Issue... Really...

Well that makes me feel better! Maybe its just getting broke in...

[CENTER]01 F-250 SC PSD,430k,16 Isspro Gauges, AFE-2,CCV Mod,IAH delete,map reg,Modded H2e, 6.0 IC, 230/100, Studs, 910 springs, Forged rods, Hydra chip, Swamps HVHF IDM, MBRP 4" dual's, Aero, 6" tip's, 4" Revtek lift, 37/12.5/16.5 MT's
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post #9 of 26 (permalink) Old 09-04-2007, 10:42 PM
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Re: GTP-38r Issue... Really...

What oil do you run? I'm sure you're like the rest of us and change it on a regular schedule.

Other things to look at:
High crank case pressure will cause oil to be pushed through the cartridge and the shaft to be pushed to one side (oil is not isolating the shaft and bearing with a slow low pressure delivery), hence the tinging. You modified your CCV go check to make sure it has no restriction. Could be rings or upper ring lands wearing if the mileage is high on this motor.


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post #10 of 26 (permalink) Old 09-04-2007, 10:53 PM Thread Starter
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Re: GTP-38r Issue... Really...

Rotella dyno and synth... for oil, CCV is to air and pumps out a steddy stream. 120k on the motor...

[CENTER]01 F-250 SC PSD,430k,16 Isspro Gauges, AFE-2,CCV Mod,IAH delete,map reg,Modded H2e, 6.0 IC, 230/100, Studs, 910 springs, Forged rods, Hydra chip, Swamps HVHF IDM, MBRP 4" dual's, Aero, 6" tip's, 4" Revtek lift, 37/12.5/16.5 MT's
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