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Old 01-13-2007, 03:43 PM   #29
76 Argosy 28' MH
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1975 28' Argosy 28
Springfield , Ohio
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Posts: 46
exhaust manifold

See i told i would ask, Can that air pump be disconnected now or wait tell i get the headers at a later date. I don't think think so but thought i would ask. Right now she sure pure's when running. Did get hi temp wires, changed plugs, rotor,cap,oil,belts,hoses and fluids. Everything looked good when i did it but thought it was a good idea snice it was setting. Forgot to tell ya thier mantancie man would start her every couple weeks and drive her around the lot. Must be nice. Also got the brakes completly gone over a year before i got her.

Again Thanks John

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Old 01-13-2007, 04:01 PM   #30
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Originally Posted by john roeder
Well i did it. I just like working on this stuff, good thing i guess. Any how i took the manifold off. You all might not beleive this but the old bolts came right off, i even thought some were kind of loose, didn't take to much presure at all. Just wondering if this is why it blew. Didn't re-tighten after they were put on? Think i will check the other side to. O well just got lucky i guess. Sure would like to do the header thing in the future, just can't do it now. Thanks to all again. This fourm is great.
We don't like doing this work but we do it ourselves to save the labor costs (shop labor is mega expensive). We just finished this same job except it was on our tow vehicle -- two bolts were broken and the exhaust fumes were wreaking havoc with the oxygen sensor. All sorts of lights and bells went off whenever we started up the truck. Six hours of labor and $30 in parts later, the job was done! The most expensive part of the job was the bolts themselves at $5 a bolt! I wonder what a shop would have charged for this job?

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Old 01-13-2007, 06:38 PM   #31
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1986 34.5' Airstream 345
Louisville , Kentucky
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You can disconnect the pumps, but make sure you check the AIR manifolds for cracks (this is what lead me to install headers). You would not believe how far into the exhaust ports those AIR tube extend. They function by injecting oxygen into the exhaust port and re-igniting the unburned fuel. So, no wonder our manifolds warp and crack.
Steven Webster
1986 Airstream 345 Classic Motorhome
AIR 1760
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Old 01-18-2007, 06:35 AM   #32
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Check this out. Hedman Elite Hedders: HED-69820 -
You can spend more for the heavy flange set but this is as good as it gets for the money. It's all inclusive except for freight. All you need to do is weld the collector reducers to the existing dual exhaust.
Some advocate a crossover "h" pipe behind the collectors but I'm not running one yet.

Glen Coombe AIR #8416
1984 28' Funeral Coach
Former Rolling Showroom & PuttLab (now party bus)
"I'm not an expert. But I did sleep in an Airstream last night."
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