Up pipe replacement - Ford Powerstroke Diesel Forum
 
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post #1 of 4 Old 08-12-2009, 10:49 AM Thread Starter
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Up pipe replacement

Has anyone ever replaced the up pipes on an OBS? My high egt's are making me wonder and heck, i can't hear any exhaust leaks over the sweet sound of the engine. haha.

so i'm either going to attempt to replace the pyro and compare temps. , but i'd think i might rather use the money to replace/upgrade the up pipes since i just saw in Diesel World about doing that and it being common. what about the exhaust seal, probably wrong word, between the engine and the manifolds? If it's this, then crap on it, i'll drive it till it breaks and find a cummins.

any ideas, suggestions. tricks?

i don't even know where to get up pipes, how much they are or anything. is it a total b..... to do?

can you even get the bolts out holding them on to the manifolds?

thanks for any and all answers.

el conquistador
'97 F250 ext. cab 4x4. DIY intake, 3" DP, kitty gutted, TW chip, 4-15-09 Tranny rebuilt, FPR shim, tech forum exhaust brake, isspro EGT gauge(stealth mounted) 292,000 miles, Dana 60 kingpin conversion, (thank you pipelayer!)
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post #2 of 4 Old 08-15-2009, 05:35 AM
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I have not done the upgrade yet but my understanding is that except for a clearance isue they are pretty much straightforward and a pain in the a$$. Ususally I see people going with a two piece to make it easier. The only fitting is that some have to bend a body flange for room. That depend on how far back your engine is set.
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post #3 of 4 Old 08-15-2009, 06:23 AM
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Yea its a pain in the arse! Remove the turbo, and if you can, get the down pipe outta there. You can get 3 of the top bolts from the top. The passenger side, pretty decent to get to, compare to teh drivers side. The bolt at the top (driverside, closest to the firewall)...put a 10 mm wrench on it, and use a 3/4 wrench (or similar) to push against it underneath the up pipe collector....once loose, you can get a 1/4 rachet and shallow scoket on it. The other bolt on the drivers side.....Have some one help....several extension, and go from underneath the truck, slide the extensions up beside the transmission. The help will come in to guide you onto the bolt.
I think it would be easier to unbolt the trans, and slide it back acouple inches...you can get to both driver side bolts from underneath. Use plenty of PB Blaster or something of that nature!!!!!!
As far as the bolts at the manifold....I havent removed them!

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post #4 of 4 Old 08-15-2009, 06:26 AM
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Quote:
Originally Posted by tycham View Post
I have not done the upgrade yet but my understanding is that except for a clearance isue they are pretty much straightforward and a pain in the a$$. Ususally I see people going with a two piece to make it easier. The only fitting is that some have to bend a body flange for room. That depend on how far back your engine is set.
Up pipes....back side of the Turbo, connects to the exhaust manifolds.

Your referencing the Down Pipe. Yes its a pain to, but not nearly the pain the up pipes are. 2 piece desighn is the way to go. A big hammer and a pry bar... to bend the pinch seam on the firewall. If you can get in there and cut 2 places in it, its easier to bend back.

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