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Old 09-25-2014, 12:56 PM   #1
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2 Air Filters?

I have a 1989 Winnebago Chieftain on a P30 chassis and 454 with Qjet. It has a miss so I am getting ready to replace the fuel filters along with plugs, cap & rotor. I pulled the air filter out of the housing and there appears to be another filter of some type still in the air box which I can't see light through but does not appear to come out. What is it and how do I clean it? I fired it up and also noticed when you rev it up the drivers side exhaust glows red where it exits the manifold so I am not sure what is up wit that yet but I will take one step at a time. I did notice a nice light show from the plug wires arcing so atleast I know they are bad.
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Old 09-25-2014, 01:10 PM   #2
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Red hot exhaust manifolds are common.
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Old 09-25-2014, 01:24 PM   #3
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I had to replace the exhaust manifold after one warped and pulled the head right off a exhaust manifold bolt. The 454 was famous for warping manifolds. I got Ring manifolds--not sure if they are in business any longer, but manifold replacement is something you may consider.
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Old 09-25-2014, 01:25 PM   #4
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I had to replace the exhaust manifold after one warped and pulled the head right off a exhaust manifold bolt. The 454 was famous for warping manifolds. I got Ring manifolds--not sure if they are in business any longer, but manifold replacement is something you may consider.
I did replace both manifolds last year with a good used set. Mine the smog pipes were bad and when we tried to replace them we saw the manifolds were cracked.
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Old 09-25-2014, 01:26 PM   #5
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What is the second air cleaner looking thing in the air filter housing?
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Old 09-25-2014, 01:59 PM   #6
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Ratt if it is foam it could be wrap for real dusty conditions. Goes around the air filter.
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Old 09-25-2014, 02:30 PM   #7
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It is not foam it is round and fits around the carb base then the regular air filter sits around the outside of this.
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Old 09-25-2014, 02:44 PM   #8
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Photos of the air cleaner might help us.
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Old 09-25-2014, 05:17 PM   #9
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Here they are one inside of the other


Here is the inner filter in question


again


and both filters together


you can see the inner filter is more like a screen material and is a little shorter than the actual air filter and seams to be fastened to the housing but I am afraid to pull on it to see for sure
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Old 09-25-2014, 06:19 PM   #10
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Can't say I ever saw that before. Just a ponder.....If there's a number on the paper element, check with NAPA, O'Rielly, Chev, etc. to see if it's listed with a secondary filter. Is it a porous stone material?
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Old 09-25-2014, 08:15 PM   #11
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The top of the air filter assembly does not cover over the entire air filter does it.
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Old 09-25-2014, 09:12 PM   #12
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The lid covers over everything
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Old 09-25-2014, 09:15 PM   #13
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It almost seams like some kid of flame arrester like on a boat
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Old 09-25-2014, 09:17 PM   #14
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Can't say I ever saw that before. Just a ponder.....If there's a number on the paper element, check with NAPA, O'Rielly, Chev, etc. to see if it's listed with a secondary filter. Is it a porous stone material?
It is like a wire screen type mesh but light wont shine through it
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