400 exhaust
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Joined: Oct 2009
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From: livingston, louisiana
400 exhaust
i would like to know why my exhaust sounds different on one side than the other. one side has a lope the other sounds eratic like. engine runs fine as far as i can tell.
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New User
Joined: Oct 2009
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From: livingston, louisiana
exhaust
thanks for the reply. which side would be the one with bad valve? the side with a lope or the one with the eratic sound? it has been like that since i bought it so i dont know which is normal. it has some type performance muffler on it.
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Joined: Oct 2009
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From: livingston, louisiana
exhaust
i have been wanting to do a compression test but i have never done one so other than getting a consistant pressure on each, i'm not sure what to look for. i recently done some work to engine such as new destributor, coil, plugs and wires, head gasket on driver side only cause of broken bolt in exhaust(had to get heli coil) , new ds exhaust manifold, intake gasket, new holly carb, pvc, air filter, and a few other things. but all that was just to give it a good tune up and insure i had good vacuum since it also had a rough idle. it runs the same as before, other than it idles smoothly now. i'm pretty good at changing parts, but not so good at diagnosing. thanks
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Mountain Pass
Joined: Dec 2001
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From: collierville, tn
how are your pipes run?
I have a duals on my 2wd f150. When the muffler shop ran the pipes they made no attempt to route the pipes in a like fashion. As a result one pipe is quite a bit longer with more bends than the other. Each side has a very different sound. Wouldn't think it was the same truck.
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Thread Starter
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New User
Joined: Oct 2009
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From: livingston, louisiana
exhaust
Thank's for all the help! Once i get a chance to look into it further, I will do a compression test and look at the routing of pipes. will see where i am then. Thank's
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