Exhaust Pipe
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Senior User
Joined: Aug 2005
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Well, got the new manifolds on and got the exhaust pipe on. Went on without a problem. The pipe only cost $117 from CarX. I put two cherry bombs on it. The truck sounds good but it still has an exhaust leak. I cant figure it out. Its on the passenger side. I guess I will try to tighten the bolts more but I dont think it will fix it.
Posting Guru
Joined: Dec 2007
Posts: 1,061
Likes: 2
From: London, Ontario Canada
maybe you have a bad manifold gasket?
also you got new manifolds not headers?
i am still trying to figure out what i am going to go with muffler wise, i plan on dual exhaust, with side exits on each side infront of the rear tires,
maybe cherry bombs, but i am also thinking magnaflows, still not sure yet,
-Brent
also you got new manifolds not headers?
i am still trying to figure out what i am going to go with muffler wise, i plan on dual exhaust, with side exits on each side infront of the rear tires,
maybe cherry bombs, but i am also thinking magnaflows, still not sure yet,
-Brent
Elder User
Joined: Jan 2009
Posts: 741
Likes: 8
From: Western N.C.
Well, got the new manifolds on and got the exhaust pipe on. Went on without a problem. The pipe only cost $117 from CarX. I put two cherry bombs on it. The truck sounds good but it still has an exhaust leak. I cant figure it out. Its on the passenger side. I guess I will try to tighten the bolts more but I dont think it will fix it.
Actually, I wish I had seen this thread sooner...as far as selecting headers, the header pipes themselves tend to be very similar among brands, if not identical. It's the flange thickness that really makes a difference. The cheep headers with thin flanges generally do not seal well and end up leaking over time. When I start looking at headers for mine, I'm going with a minimum flange thickness of 3/8" and 14 gauge tubing...even if I have to have them custom made.
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Senior User
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Ok, really need help on this one bad. I found where the exhaust leak is. There is some kind of whole on the back of the passenger head that is blowing exhaust out. Looks like there needs to be some kind of plug in it. I have no clue on this one. Does anyone have an idea where I can get something to plug the hole? I pulled the plug off the back cylinder and the truck doesnt run any different. I think this hole is making it loose compression.
Postmaster
Joined: Jul 2001
Posts: 4,956
Likes: 10
From: MD
It doesn't affect anything. It's pure exhaust.
Sounds like the plug rusted out, causing a leak. It's from the thermactor system which is a part of the emissions.
I don't know, either...a bolt?
Sounds like the plug rusted out, causing a leak. It's from the thermactor system which is a part of the emissions.
I don't know, either...a bolt?
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Senior User
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What I ment was the truck is already running like crap and shaking. With me unplugging that spark plug, the truck doesnt run any worse.
So there is no valve in there that it might get caught on? I couldnt just buy a new plug somewhere?
Is this something I will have to take the head off to do? I think I might be able to get something in there without taking the head off but it looks tight.
So there is no valve in there that it might get caught on? I couldnt just buy a new plug somewhere?
Is this something I will have to take the head off to do? I think I might be able to get something in there without taking the head off but it looks tight.
Postmaster
Joined: Jul 2001
Posts: 4,956
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From: MD
No. It's a part of the emissions package where the exhaust air is mixed with fresh air to lessen emissions out of the tailpipe. It is merely classified an exhaust leak, because the problem could be duplicated somewhere past the manifolds.
I'd contact NumberDummy...he probably has the references to the plugs.
You could do without taking it off if you could stand working in tight spots.
I'd contact NumberDummy...he probably has the references to the plugs.
You could do without taking it off if you could stand working in tight spots.
Hotshot
Joined: Apr 2009
Posts: 14,333
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From: Stanley, VA
I believe that this plug is like a small freeze plug and is just pressed into the head. I don't believe the hole is threaded.
If there is enough room for you to work you should be able to replace it without pulling the head.
As far as the truck running bad, this wouldn't have anything to do with that. It's simply an exhaust leak, nothing more.
Do the regular troubleshooting for the bad running. Tune it up, if that doesn't solve the problem, run a compression test to see if there is a problem somewhere else.
If there is enough room for you to work you should be able to replace it without pulling the head.
As far as the truck running bad, this wouldn't have anything to do with that. It's simply an exhaust leak, nothing more.
Do the regular troubleshooting for the bad running. Tune it up, if that doesn't solve the problem, run a compression test to see if there is a problem somewhere else.
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Senior User
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Well, the trucks had a tune up. Just put new plugs in today and rebuilt the carb last year.
I was thinking that if I couldnt find a plug I could just thread the hole and put a metal plug in. Think that would be ok?
I was thinking that if I couldnt find a plug I could just thread the hole and put a metal plug in. Think that would be ok?
Elder User
Joined: Jan 2009
Posts: 741
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From: Western N.C.
As far as the Thermactor port goes, check out this thread...it may very well solve your problem.
https://www.ford-trucks.com/forums/1...ion-pipes.html
Lead Driver
Joined: Jun 2006
Posts: 5,641
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From: Near Yosemite CA
http://www.jcwhitney.com/Truck-Compl.../600015832.jcw
You never know,,, JC has some good stuff sometimes.
You never know,,, JC has some good stuff sometimes.
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