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Old 09-05-2010, 04:43 PM
region2 region2 is offline
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need correct part name

Have a 1986 Travelaire motorhome with a 460 in it that developed an exhaust leak on our previous holidays, lifted the doghouse and found the pipe running to each head is rotted,it is at the rear of the engine,has a check valve mounted to it,would anyone know the proper name for it?Thanks Vern
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Old 09-05-2010, 05:48 PM
85e150six4mtod 85e150six4mtod is offline
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Sounds like the EGR set up.

Stay tuned, you might get another post.

Something like so?

http://www.google.com/imgres?imgurl=...w=1276&bih=580
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Old 09-05-2010, 06:05 PM
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From your post it sounds like your talking about a PCV valve. PCV valves usually vent gases out of the valve cover.
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Old 09-05-2010, 07:15 PM
region2 region2 is offline
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I should mention that this is a carburated 460,this pipe is separate from the egr baseplate and pcv hoses,It is part of the air emissions system,it has a "check valve" (I use to call them an antibackfire valve)mounted in the piping which is joined by a short hose to another vacumn operated valve which connects to the aircleaner.Am I helping?Thanks
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Old 09-05-2010, 07:59 PM
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Are you talking about the exhaust gas crossover at the back of the cylinder heads?



IMG_1903

This is like a Y pipe that comes up in front of the oil pressure sender???
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Old 09-05-2010, 09:41 PM
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GP-Sorensen 779-5372 Air Injection Reactor Pipe (crossover)

I found it on AutoZone's website under internal engine parts.
It's the first part listed (alphabetically)


Welcome to the forum region2!
I hope this helps!
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Last edited by ArdWrknTrk; 09-06-2010 at 09:37 AM. Reason: link is broken, bad cookies...
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Old 09-06-2010, 10:06 AM
region2 region2 is offline
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Thanks ArdWrknTrk,that's it!!!!!thanks again everyone.
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Old 12-10-2010, 08:58 PM
hotweekend hotweekend is offline
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Question I having the same problem

I have a 93 Ford SD with a 460 (automatic trans) and I can't find the pipe going from the driver side manifold to the smog pump hose.
I just replaced the manifold and there is 2 pipes going out. One goes to the EGR valve and the other one goes across the motor (between the motor and the firewall) and plugs into a hose.
Do somebody have idea what I'm talking about ?
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Old 12-10-2010, 11:20 PM
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Quote:
Originally Posted by SOB Racing View Post
From your post it sounds like your talking about a PCV valve. PCV valves usually vent gases out of the valve cover.
NO! PCV stands for Positive Crankcase Ventilation and sucks air through of the crankcase sucking out oil fumes, etc. Nothing to do with the exhaust. I agree with the EGR (Exhaust Gas Recirculation) or the air injection system. In either case I would look for a way to get rid of it but the EFI makes that difficult.
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Old 12-20-2010, 08:15 PM
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Quote:
Originally Posted by Bear 45/70 View Post
NO! PCV stands for Positive Crankcase Ventilation and sucks air through of the crankcase sucking out oil fumes, etc. Nothing to do with the exhaust. I agree with the EGR (Exhaust Gas Recirculation) or the air injection system. In either case I would look for a way to get rid of it but the EFI makes that difficult.
the OP has a carbureted deal.
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Old 12-20-2010, 08:15 PM
 
 
 
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