Down Pipe Touching Firewall
Fleet Mechanic
Joined: Feb 2004
Posts: 1,816
Likes: 3
From: River Valley AR
I don't think fire is a huge concern, but I would try to realign it if possible to avoid any contact. If it touches now, it may touch worse if the truck gets in any kind of bind, off-level, crossing a dip/ditch. etc.
Any force that pushes against your d/p is pushing on your turbo also.
Any force that pushes against your d/p is pushing on your turbo also.
Junior User
Joined: Feb 2007
Posts: 99
Likes: 0
From: Ridgecrest, CA
I would say that the DP touching the firewall is not good. Remember, the DP is vibrating as the engine runs, and if the DP is touching the "stationary" firewall, the DP could get seriously damaged over time. Then, you'd be leaking exhaust right under the cabin. Not good. Not to mention the contact is probably making a lot of noise. I would recommend taking the DP back out (I know, not a very exciting prospect), and using some kind of pry bar to bend the firewall up, giving the DP more clearance. When I did mine, I made a few vertical slices through the sheet metal seam where the firewall ends in order to soften the joint up. Then, I stuck a 6 foot crowbar down in there, using the engine block as a fulcrum, and pulled down on the end stick up out of the engine compartment, which eventually bent the firewall up and out of the way. It took some serious force, but now there is lots of space and I don't get any wear.
Elder User
Joined: Sep 2003
Posts: 892
Likes: 3
From: Quinton NJ
i know its gonna suck, but erik is right. i was in the same boat, but it doesnt take long to take it back out. not sure how you "clearanced" it before but, i used a porta power and a few wooden wedges to get the room. worked great. good luck
Hotshot
Joined: Jun 2007
Posts: 10,008
Likes: 7
From: Austin, TX
it WILL rub a hole in the DP and it won't take long. you don't want exhaust leaks so go ahead and get it over with. it sucks but has to be done. it takes me about 5 minutes to have my MBRP pipe out...
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Junior User
Joined: Feb 2007
Posts: 99
Likes: 0
From: Ridgecrest, CA
Porta power, man that woulda been nice. I used the ole hang-on-to-the-end-of-the-crowbar-and-jump-off-the-front-bumper-repeatedly technique 
How did you even get the new DP in there without having to do that? That is a feat in itself, there was no way it would've fit for me. I couldn't believe Ford would do what they did to our stock DP, ridiculous. It's an obvious case of someone having to fudge a design because they didn't plan far enough ahead. Don't know for sure, but last time I checked, a squashed, ribbed, converging, assymetrical, crooked, pancake pipe doesn't have very good internal flow properties.
Hope the fix works out for you man
How did you even get the new DP in there without having to do that? That is a feat in itself, there was no way it would've fit for me. I couldn't believe Ford would do what they did to our stock DP, ridiculous. It's an obvious case of someone having to fudge a design because they didn't plan far enough ahead. Don't know for sure, but last time I checked, a squashed, ribbed, converging, assymetrical, crooked, pancake pipe doesn't have very good internal flow properties.
Hope the fix works out for you man
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Joined: Jan 2005
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Likes: 4
From: Brandon, MB
[QUOTE] Too funny!!! I did almost exactly the same thing.
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