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Thread: ? about problem with pvc
          
   
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hottrodd57 ? about problem with pvc 03-12-2009, 08:46 AM
Stu Cool A proper PCV chould have a... 03-12-2009, 08:52 AM
hottrodd57 the "pvc" breather that I... 03-12-2009, 12:25 PM
Joliet Jake I don't see how a defective... 03-12-2009, 12:33 PM
Stu Cool I tried to find a simple... 03-12-2009, 01:58 PM
chevy 37 What I could find 03-12-2009, 02:59 PM
hottrodd57 I guess i didn't make the... 03-12-2009, 05:45 PM
firebird77clone try swapping the PCV and... 03-12-2009, 05:56 PM
Joliet Jake I eliminated PVC valves on... 03-12-2009, 07:00 PM
hottrodd57 will do that tommorrow, will... 03-12-2009, 07:16 PM
Stu Cool I don't understand why the... 03-12-2009, 09:28 PM
hottrodd57 as I said ,it is a old style... 03-13-2009, 04:14 AM
Stu Cool I'll be interested to know... 03-13-2009, 08:57 AM
hottrodd57 i did the switch with the pvc... 03-13-2009, 10:34 AM
HWORRELL Sounds like thats not a... 03-13-2009, 11:05 AM
  1. 03-12-2009 08:46 AM #1
    hottrodd57 is offline CHR Member
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    Car Year, Make, Model: 39 chevy coupe,57 bel-air, 67 gto
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    ? about problem with pvc

     



    noticed a popping noise in the right exhuast pipe after the engine got warmed up, checked the plugs, timing, wires, etc. everything checked out alright. besides the poppings noise in the right exhuast, the engine runs great. on a chance, I removed the pvc that was on the right valve cover, installed a regular breather; & the popping stpped.
    what would cause the pvc to make the engine make a popping noise in the exhuast on the same side the pvc is installed on?
    the engine is a 1970 ls6 454 with cal custom valve covers that use twist-on style breathers. I was using the breather with a built in pvc in it. the pvc has no check valve, is basicly a tube welded to the breather. hose running from the breather went to a larger port on the back bottom edge on the holley carb.
    any guess as to the problem with the pvc ?
    Last edited by hottrodd57; 03-12-2009 at 08:50 AM.
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