rebuilding a turbo, take a look and let me know! - Ford Powerstroke Diesel Forum
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Old 10-09-2011, 07:10 AM
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rebuilding a turbo, take a look and let me know!

had some issues with the truck recently, flange came off ripped the EBV valve out and broke the downpipe! bougth a non-ebv pedestal and gutted the flange. turbo had some slight play so decided to get a rebuild kit. took the turbo apart and found some marks on the turbine wheel. I wonder what they are, maybe thats how they balanced it or sumtin. truck has some 240K miles and as far as I know turbo is factory. I also found out that two bolts that hold the center section to hot side are missing, one is loose and only one is holding it. I have another 2000 truck and power difference is night and day. I hope that once I rebuild the turbo and put it all together I will get the power back thats missing. truck felt like it was lazy and it would only boost at highway! Im gonna do a leak detection too just to make sure im not loosing boost anywhere!

btw my trucks are international and they come with very nice freeflowing 3" downpipes!

I have no boost gauge and im gonna put a VDO gauge. im drilling in the Y-pipe, does it matter where do I put the fitting?

thanks for the help



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Old 10-09-2011, 07:19 AM
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Used to balance.
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Old 10-09-2011, 07:58 AM
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Quote:
Originally Posted by stepvan View Post
I have no boost gauge and im gonna put a VDO gauge. im drilling in the Y-pipe, does it matter where do I put the fitting?
VDO gauge?
I'm guessing the drilling means for an EGT probe?
If so, put it in the manifold. Post turbo temps can be somewhere up to 500* less than manifold temp.
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Old 10-09-2011, 08:20 AM
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vdo boost gauge, sorry typing on the run! I read to drill in the Y-pipe and put the fitting in there. does it matter if I put it before IC or after?
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Old 10-09-2011, 08:28 AM
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Oh gotcha.
No. Does not matter. Some put a bung on the IC tubes, some just tap the map line but that can flutter sometimes for some people. But drilling and tapping the spider is most common.
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Old 10-09-2011, 08:30 AM
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I would do it after so it is what the engine is actually seeing.
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Old 10-09-2011, 10:10 AM
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No, intercooler has nothing to do with boost (unless it's leaking.) As long as it's after the compressor side of the turbo and before the heads you're good.
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Old 10-09-2011, 11:31 AM
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thats what I was thinking it too, incase of a boost leak I would be able to tell if there is any if my gauge fitting is after the IC. Im not sure what does IH have their engine setup as boost goes? I know they had 170HP version but dealership can update it to 230HP I think.
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Old 10-09-2011, 11:39 AM
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The IH version? Not sure.
A 2000 F350 (08/99 engine) has 215HP and 430TQ IIRC. The stock Garrett turbo can handle up to 30PSIish.
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Old 10-09-2011, 05:50 PM
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so a 30PSI boost gauge is more than enough I think? I was told that dealership can tell me which HP version my truck is. step van makes it easier to work on turbo since its very accesible from inside the cab!
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