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post #1 of 37 Old 12-20-2011, 09:57 PM Thread Starter
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Garrett turbos

I got my truck from a guy who said it has a bigger turbo than stock. At the moment it has a 4inch dp to a 5 inch stack. A nappa 6637 air filter, boost gauge, egt probe is being hooked up soon as I find the time. Now with a bigger turbo at WOT shouldn't I make more than 11 psi at near 3k rpm? The turbo sure doesn't look factory. And from my research it looks to be a gt 38? im worried about the internals of it, it spools yet under load it smells like burning oil. Amd the soot in the stack could lube a fith wheel plate. Unlike other soot covered stacks I've handled. It blows no smoke, minus a occasional puff of blue. What's wrong with the old girl? It's only got 125,000 on it
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post #2 of 37 Old 12-21-2011, 12:05 AM
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First you need to figure out what size turbo, is it intercooled aswell, and 11 psi isn't terrible with no tune, seems it turbo is burning oil too

-Kris-
2000 excursion V10 2wd 230k
2000 Excursion 7.3 4x4 246k
1995 CCLB DRW 324K
2001 CCLB DRW 319K
Dp tuner infinity, exhaust, intake, chipped, tricked, and wrecked
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post #3 of 37 Old 12-21-2011, 08:30 AM
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you need to get a good look at the turbo. find out what it is first. it sounds like its leaking oil somewhere. are there tunes on the truck? if so, 11psi is way low. i can hit over 35. (with stage 1's)

-Mike

2005 F-250 Lariat

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And you didn't know Cummins can manage 127mpg??? They also deliver babies, go to Mars, and cure AIDS. DUH
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post #4 of 37 Old 12-21-2011, 10:34 AM Thread Starter
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How do I got about seeing witch turbo it really is? I'll try to link some pictures of it. The oil looks like its leaking down the turbo pedestal, everything it covered in greasy crap. And thats got a little golden color to it.
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post #5 of 37 Old 12-21-2011, 11:02 AM
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sounds like o rings


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2000 DRW CC 7.3
Exterior: 08 Exterior Clone, 22.5's
Engine Mods: GTP38R WW2, 5 inch exhaust,T500, 6637, TW tunes,DI Up pipes, 6.7 fuel pump fuel system.
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post #6 of 37 Old 12-21-2011, 11:27 AM
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there should be a model # printed on it somewhere i believe. then just google that.

-Mike

2005 F-250 Lariat

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And you didn't know Cummins can manage 127mpg??? They also deliver babies, go to Mars, and cure AIDS. DUH
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post #7 of 37 Old 12-21-2011, 12:31 PM Thread Starter
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There's a sticker that reads. Allied signal automotive P/N 1831383c92 S/N cal38663 looking it up now.
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post #8 of 37 Old 12-21-2011, 01:03 PM Thread Starter
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Well to me the turbo, by looks bolt lay out. Sticker place ment. Looks just like a gtp38 turbo. Non intercooled. How do I make it stop leaking oil.
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post #9 of 37 Old 12-21-2011, 01:06 PM
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if its leaking from the pedistal the you most likely need these. Replacement O-rings for Ford Diesel Engines


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2000 DRW CC 7.3
Exterior: 08 Exterior Clone, 22.5's
Engine Mods: GTP38R WW2, 5 inch exhaust,T500, 6637, TW tunes,DI Up pipes, 6.7 fuel pump fuel system.
Trans Mods: 6.0 trans cooler, JW Valve body,Billet triple disc converter.
Sound Mods: 7" flip out tv, 3-way speakers all around, 12" sub, 500 watt amp.
Misc:dieselsite coolant filter, max ac assist, BRV, IHD,gauges, CCV

Next up power rear window
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post #10 of 37 Old 12-21-2011, 02:39 PM
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Upgrade to a 38r while your at it lol.

-Kris-
2000 excursion V10 2wd 230k
2000 Excursion 7.3 4x4 246k
1995 CCLB DRW 324K
2001 CCLB DRW 319K
Dp tuner infinity, exhaust, intake, chipped, tricked, and wrecked
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Quote:
Originally Posted by marine5811
The stock downpipe in an OBS is flat because I'm a ginger.
Quote:
Originally Posted by alberta 7.3
Finding a decent woman is like shopping for a used truck. You spend most of your time picking through the money pits, wrecks, and basket cases until you find one that you can tolerate
Quote:
Originally Posted by JJFLASH
Well at least you caught the loose bolts before they cause any damage. Nothing worse than a sloppy hole
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