Walker pipe
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Walker pipe
I got my Walker down pipe for the efi manifolds today, mocked then up and noticed the front flanges don't match up .
[IMG]<a href="http://s1248.photobucket.com/albums/hh490/Labhound2/?action=view&current=photo2-13.jpg" target="_blank"><img src="http://i1248.photobucket.com/albums/hh490/Labhound2/photo2-13.jpg" border="0" alt="Photobucket"></a>[/IMG]
[IMG]<a href="http://s1248.photobucket.com/albums/hh490/Labhound2/?action=view&current=photo3-2.jpg" target="_blank"><img src="http://i1248.photobucket.com/albums/hh490/Labhound2/photo3-2.jpg" border="0" alt="Photobucket"></a>[/IMG]
Is there something I'm missing like a gasket?
This is the rear.
[IMG]<a href="http://s1248.photobucket.com/albums/hh490/Labhound2/?action=view&current=photo1-14.jpg" target="_blank"><img src="http://i1248.photobucket.com/albums/hh490/Labhound2/photo1-14.jpg" border="0" alt="Photobucket"></a>[/IMG]
[IMG]<a href="http://s1248.photobucket.com/albums/hh490/Labhound2/?action=view&current=photo2-13.jpg" target="_blank"><img src="http://i1248.photobucket.com/albums/hh490/Labhound2/photo2-13.jpg" border="0" alt="Photobucket"></a>[/IMG]
[IMG]<a href="http://s1248.photobucket.com/albums/hh490/Labhound2/?action=view&current=photo3-2.jpg" target="_blank"><img src="http://i1248.photobucket.com/albums/hh490/Labhound2/photo3-2.jpg" border="0" alt="Photobucket"></a>[/IMG]
Is there something I'm missing like a gasket?
This is the rear.
[IMG]<a href="http://s1248.photobucket.com/albums/hh490/Labhound2/?action=view&current=photo1-14.jpg" target="_blank"><img src="http://i1248.photobucket.com/albums/hh490/Labhound2/photo1-14.jpg" border="0" alt="Photobucket"></a>[/IMG]
Senior User
Joined: Jun 2012
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From: Albuquerque
maybe you need some bigger bolts... 
Sorry. Guess that I'm not helping much.
However, I'd heat the pipe with a torch before I'd go and make relieve cuts.
Can you loosen the EFI headers at the head and gain some room?
I ran headers on mine, so I'm not familiar with the EFI pipes and Y connector.
TR
Sorry. Guess that I'm not helping much.
However, I'd heat the pipe with a torch before I'd go and make relieve cuts.
Can you loosen the EFI headers at the head and gain some room?
I ran headers on mine, so I'm not familiar with the EFI pipes and Y connector.
TR
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Joined: Oct 2008
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From: Plover, WI
Use the Dorman exhaust stud kit for an EFI truck and you'll be golden. I have the Walker pipe on my 92, no issues at all. Only recommendation I would make is use some Copper RTV on the pipe at install, not necessary, but keeps things quiet.
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Joined: Oct 2008
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From: Plover, WI
Also, the 2 flanges didn't line up perfect on mine, but the pipe shifted/moved into place as I tightened the nuts, and has been fine for 6+ months now. Throw the studs in, tighten the brass nuts pretty snug, and enjoy.
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Joined: Dec 2007
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From: Boise, Idaho
There's flex in the pipe. When you tighten it down, it'll fall into place.
Lead Driver
Joined: Jul 2009
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From: Sheffield, AL
I cannot see where this has been mentioned in this thread, but be sure and check where the rear pipe is welded to the down pipe as some have found the the hole is not large enough... look down the back pipe and if not opened enough, some have used a hole saw or grinder to get the best flow.
Perhaps AbandonedBronco can share his experience.
Perhaps AbandonedBronco can share his experience.
Moderator
Joined: Dec 2007
Posts: 7,987
Likes: 104
From: Boise, Idaho
I cannot see where this has been mentioned in this thread, but be sure and check where the rear pipe is welded to the down pipe as some have found the the hole is not large enough... look down the back pipe and if not opened enough, some have used a hole saw or grinder to get the best flow.
Perhaps AbandonedBronco can share his experience.
Perhaps AbandonedBronco can share his experience.
It wouldn't affect fitment though.
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Senior User
Joined: Jun 2012
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I cannot see where this has been mentioned in this thread, but be sure and check where the rear pipe is welded to the down pipe as some have found the the hole is not large enough... look down the back pipe and if not opened enough, some have used a hole saw or grinder to get the best flow.
Perhaps AbandonedBronco can share his experience.
Perhaps AbandonedBronco can share his experience.
Senior User
Joined: Oct 2008
Posts: 367
Likes: 0
From: Plover, WI
Forgot all about mentioning the rear pipe. I bought a 6" carbide burr to clean mine up, very quick n painless. Mine had ~1" diameter hole to start, lots of slag from the torch cut on assembly.
Also, if you plan on running a cat, Thunderbolt has a 2.5" hi flow unit for $40 that fits perfectly in the drop section behind the O2 bung and rise for the trans crossmember. I'll see if I can get some pics of mine and have someone upload them, can't do it from my phone.
Also, if you plan on running a cat, Thunderbolt has a 2.5" hi flow unit for $40 that fits perfectly in the drop section behind the O2 bung and rise for the trans crossmember. I'll see if I can get some pics of mine and have someone upload them, can't do it from my phone.
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