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Diy oil cap breather

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Old 02-20-2014, 01:08 PM
  #11  
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No need, GM makes one. Its a direct fit. I will get the part number and post back.
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Old 02-20-2014, 01:21 PM
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12589430
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Old 02-20-2014, 07:31 PM
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looks like a standard 710 cap
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Old 02-20-2014, 07:41 PM
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Originally Posted by 262_NBS View Post
Probably due to the vacuum leak caused by opening up a closed pcv system?
Ding ding ding

Originally Posted by _zebra View Post
looks like a standard 710 cap
Ahh yes, the good old 710 cap... haha.
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Old 02-20-2014, 07:47 PM
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The breather I made works perfect, I never got a light. And holy thread dig.
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Old 02-20-2014, 07:48 PM
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Im going to be doing a 90deg fitting out of my cap, running 1/2 hose to a catch can. Im not a fan of how that looks with the filter on there, kinda looks like its about to fall out
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Old 02-20-2014, 07:54 PM
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Originally Posted by Mangled03gmc View Post
The breather I made works perfect, I never got a light. And holy thread dig.
Are you still pulling vacuum on one of your valve covers?
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