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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

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Old 03-15-2014, 05:27 PM
bruce6670 bruce6670 is offline
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460 egr tube

I have a 1994 F- super duty truck with a 460. I'm in the process of replacing the drivers side exhaust manifold gasket and ran into an issue.

There are two metal tubes that are attached to the exhaust manifold. One goes to the air pump and one goes to the intake. I think they are called EGR tubes. One was cracked before I started and one I torched off after trying to remove it but couldn't.

What I want to know is should I replace these tubes or can I delete them ? I'm not worried about passing emissions, just want the truck to run well.

Thanks in advance for any help.
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Old 03-15-2014, 05:52 PM
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powerstroker100 powerstroker100 is offline
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Originally Posted by bruce6670 View Post
I have a 1994 F- super duty truck with a 460. I'm in the process of replacing the drivers side exhaust manifold gasket and ran into an issue.

There are two metal tubes that are attached to the exhaust manifold. One goes to the air pump and one goes to the intake. I think they are called EGR tubes. One was cracked before I started and one I torched off after trying to remove it but couldn't.

What I want to know is should I replace these tubes or can I delete them ? I'm not worried about passing emissions, just want the truck to run well.

Thanks in advance for any help.
one is for AIR pump other goes up to the egr valve

you can get away with capping the air pump line by welding a plug or removing the air pump pulley, but I would keep the egr system in operation, I have heard people who delete the egr system actually get worse mileage

go to summit or rockauto and buy a new egr tube, I think theyre like 20-25 bucks
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Old 03-15-2014, 07:16 PM
bruce6670 bruce6670 is offline
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Thanks for the help.

If I weld the hole on the manifold, what do I do with the hose coming out of the air pump ? Should I leave it open and just blow air or plug it up.

I can't remove the pulley because the the belt also runs the alternator. I guess I could get a shorter belt.
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Old 03-15-2014, 07:24 PM
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Thanks for the help.

If I weld the hole on the manifold, what do I do with the hose coming out of the air pump ? Should I leave it open and just blow air or plug it up.

I can't remove the pulley because the the belt also runs the alternator. I guess I could get a shorter belt.
you would have to weld both shut if you want to keep your air injection system

I have the pulley removed on my truck and used a shorter belt, its a dayco belt that autozone and advance auto stock, it was about $21 with tax, I cant remember part # though
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04 f250 5.4l - 00 f250 7.3l
97 f350 7.5l - 93 f450 7.3l
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Old 03-15-2014, 07:30 PM
bruce6670 bruce6670 is offline
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It needs a new belt anyway. I should just lose the air pump pulley. Maybe the whole pump. Unless other accessories are hooked to it. This truck has around 140,000 miles on it. I don't want to spend a fortune on it. Just delete that one tube will save like a hundred bucks.
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Old 03-15-2014, 07:37 PM
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Originally Posted by bruce6670 View Post
It needs a new belt anyway. I should just lose the air pump pulley. Maybe the whole pump. Unless other accessories are hooked to it. This truck has around 140,000 miles on it. I don't want to spend a fortune on it. Just delete that one tube will save like a hundred bucks.
I just left the pump and hoses on my truck for now, I took a 16" channel lock to hold the pulley and used a 3/8" ratchet to break the bolts on the pulley loose, take the 3 of them out and then took a pry bar and popped the pulley off, put new belt on and tightened alternator bracket as tight as I could and done, probably 15 minutes not counting going to the parts house
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97 f350 7.5l - 93 f450 7.3l
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Old 03-15-2014, 08:18 PM
bruce6670 bruce6670 is offline
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Sounds like a plan. I can take some of that other stuff off too. Just to free up some room.

I haven't had this truck on the road yet. Hopefully this thing runs strong and I get some good use out of the 12" dump. A 460 should be nice.
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Old 03-15-2014, 09:05 PM
bruce6670 bruce6670 is offline
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Sounds like a plan. I can take some of that other stuff off too. Just to free up some room.

I haven't had this truck on the road yet. Hopefully this thing runs strong and I get some good use out of the 12' dump. A 460 should be nice.
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Old 03-15-2014, 09:05 PM
 
 
 
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