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Old 08-22-2015, 04:46 PM   #1
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Replacing Up-pipes on a 7.3 van

I have a set of international uppipes and some heat wrap ready to go for my 02 e350 7.3 but I was just curious if there's anything I need to know before I jump in on this task.

Do I need to remove the turbo or is that just something the truck guys do to get space in there?
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Old 08-22-2015, 04:56 PM   #2
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Re: Replacing Up-pipes on a 7.3 van

ert01: Before you do anything, really compare them with what you have now. I was told by IH that their bellowed uppipes would not fit our vans. I have no personal knowledge whether they do or do not. I am just passing on what I was told. So I bought new donuts. Of course also search here:

http://www.ford-trucks.com/forums/forum31/

I would help you search, but I am digging a water line ditch from our well tank right now and just came in for a break.

Please post what you learn.
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2002 E350 ext.; 160K; 7.3L; 4R100 (w/4x4 deep pan & filter); 4x4 conv. w/2007 F250/F350 coil frnt axle (oppos. dual Bilstein press. shocks cured DW) diff chg from 3.55 to 3.73 (bad!); BW1356 t.c. (bad!); LT265/70R17/E Michelin LTX M/S2; Engel MT60 Combi Fridge-Freezer; 4 BP 380J pv panels; Auragen 5kw AC gen. in top alt. position; Webasto Dual-Top; Voyager top. 1995 5.8L EB Bronco, bone stock.
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Old 08-22-2015, 07:02 PM   #3
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Re: Replacing Up-pipes on a 7.3 van

I saw a few posts on the ford forum and thedieselstop where guys mentioned that they did the IH pipes on a van so I'm REALLY hoping now to not have any issues
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Old 08-23-2015, 07:57 AM   #4
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Re: Replacing Up-pipes on a 7.3 van

I have bellowed up-pipes. The turbo does not need to come out. It's a pretty easy job. My only issue for what I can recall was a broken T-bolt in the clamp that secures the Y-pipe to the turbo.
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Old 08-23-2015, 12:41 PM   #5
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Re: Replacing Up-pipes on a 7.3 van

Awesome. I plan to jump into it this afternoon. I started soaking the bolts with penetrating oil a few days ago so hopefully it all goes smooth.
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Old 08-23-2015, 05:02 PM   #6
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Re: Replacing Up-pipes on a 7.3 van

Just finished the job now. Was much easier than I anticipated. Probably 2 hours start to finish and most of that was dealing with stuck and stubborn OEM bolts. After I got it all broke free and undone, the rest went very smoothly.

I used 2" exhaust wrap and overlapped by 1"... took it for a test drive and it seems quieter. Could just be a mental-placebo effect, but I am happy with the wrap.
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Old 08-23-2015, 05:07 PM   #7
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Re: Replacing Up-pipes on a 7.3 van

ert01: Congratulations! Would you mind posting the part number, the price and maybe a picture or two of them installed?
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2002 E350 ext.; 160K; 7.3L; 4R100 (w/4x4 deep pan & filter); 4x4 conv. w/2007 F250/F350 coil frnt axle (oppos. dual Bilstein press. shocks cured DW) diff chg from 3.55 to 3.73 (bad!); BW1356 t.c. (bad!); LT265/70R17/E Michelin LTX M/S2; Engel MT60 Combi Fridge-Freezer; 4 BP 380J pv panels; Auragen 5kw AC gen. in top alt. position; Webasto Dual-Top; Voyager top. 1995 5.8L EB Bronco, bone stock.
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Old 08-23-2015, 07:23 PM   #8
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Replacing Up-pipes on a 7.3 van

The IH part number is 1837872C93 and I originally purchased them from a local IH dealer for $500 (approx). However, after some research yesterday, I returned them because I found a cheaper set that is very similar for a lot cheaper.

I ended up using the Dorman 679-005 kit. It was less than 1/2 the price of the IH kit and I was able to compare them both side by side before deciding to go with the Dorman kit.

The only real difference was that the IH kit had a few more baffles in the flex sections than the Dorman kit. Other than that they were very similar.



Rockauto, Amazon, eBay - all have good pricing on the Dorman kit. The best pricing for the IH kit is probably on the dieselorings site.
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Old 08-23-2015, 09:14 PM   #9
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Re: Replacing Up-pipes on a 7.3 van

ert01: Excellent thread. You have been very helpful. I wish I could "rep" you.
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2002 E350 ext.; 160K; 7.3L; 4R100 (w/4x4 deep pan & filter); 4x4 conv. w/2007 F250/F350 coil frnt axle (oppos. dual Bilstein press. shocks cured DW) diff chg from 3.55 to 3.73 (bad!); BW1356 t.c. (bad!); LT265/70R17/E Michelin LTX M/S2; Engel MT60 Combi Fridge-Freezer; 4 BP 380J pv panels; Auragen 5kw AC gen. in top alt. position; Webasto Dual-Top; Voyager top. 1995 5.8L EB Bronco, bone stock.
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Old 08-23-2015, 10:33 PM   #10
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Re: Replacing Up-pipes on a 7.3 van

Thanks!

As another side note, I read online (after I installed it! Hahaha) that a lot of guys had trouble with the bolts that were supplied in the Dorman kit being about 1/4" too long... but that was not my experience. They all fit just fine. I can't even imagine how they would be too long at all since all the threaded holes in the collector run all the way through and don't bottom out. You could use a 4" long bolt if you really wanted... Maybe Dorman changed the kit a bit over the last few years?

Either way it's probably worth doing a quick dry fit on the Dorman kit before trying to torque it all together but I had no issues.
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