a little exhausting help here
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Elder User
Joined: Sep 2004
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From: Floriduh
a little exhausting help here
Hey guys. It's been a while since I had this problem, but here it is:
When I put the exhaust on my 53 F-250/460 C6 combo, I welded one of the hangers on aparently too well. The hanger was also too close to the engine and now, it has since ripped out of the exhaust pipe leaving about a dime sized hole in the pipe. My question is this. Would this make the engine sound and act as if it is only running on 7 cyl's? Mine is doing just that. Hard to describe it here without noise and all, but I think most of you know what 7 cyls sound like. I am planning on welding up the pipe next week, but I am wanting to know if this will help solve my problem. I had this problem once before, but it was about 15 years ago and now I dont remember what it was causing the problem.
When I put the exhaust on my 53 F-250/460 C6 combo, I welded one of the hangers on aparently too well. The hanger was also too close to the engine and now, it has since ripped out of the exhaust pipe leaving about a dime sized hole in the pipe. My question is this. Would this make the engine sound and act as if it is only running on 7 cyl's? Mine is doing just that. Hard to describe it here without noise and all, but I think most of you know what 7 cyls sound like. I am planning on welding up the pipe next week, but I am wanting to know if this will help solve my problem. I had this problem once before, but it was about 15 years ago and now I dont remember what it was causing the problem.
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Elder User
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From: Floriduh
Well, I am not registering a miss on my tach at all....I pulled a plug wire from each cyl on that bank, and nothing changed. I am wondering is when I give it gas, the lack of back pressure unbalances the engine enough to where it feel s week on that side. It's weird I know. I dont think there is an actual miss in the engine, but rather just a power loss on that side due to the unbalanced exhaust. I'm sure it could happen, but what is the likelyhood of it being the problem I wonder?
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Elder User
Joined: Sep 2004
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From: Floriduh
Ok, the header gasket to collector is bad....REAL bad. Fortunatly, there is PLENTY of room to replace it. Hopefully, it will be the problem I was searching to solve. I remember (I think) years ago when it happened on my mustang, I got similar symptoms.
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Elder User
Joined: Sep 2004
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From: Floriduh
Ok, I have a hole in the exhaust pipe where the hanger weld ripped out, but replacing the collector gasket REALLY helped. I'll be welding up that hole this week and putting on some side pipes.....We'll see how it sounds then. I know ity sounds better now, AND it runs a LOT better.
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Elder User
Joined: Sep 2004
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From: Floriduh
Ok, I replaced the collector gaskets, and welded up the exhaust. No more leaks! It still has a mystery miss on the passenger side which is now a LOT less noticable. The truck performs and sounds so much better now. I think the miss may be due to it being out of time. I have no timing mark on it, so no way to really set the timing by a timing light. I never liked timing lights anyway though. I guess I'll have to play with the dizzy a bit again and see if I can clear that miss up. Something to do for tomorrow.
Post Fiend
Joined: Mar 2004
Posts: 6,056
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From: Union, Washington
All you need to do is TDC the motor and mark the damper, which is 360 degrees around it. Measure that distance around and divide that by 36 and you have your 10 degree distance and mark the damp. Without the marks and a timing light you are only guessing at your timing. A very good way to hurt your motor. BTW, timing almost never causes a steady miss on one bank or cylinder.
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