LT1-LT4 Modifications 1993-97 Gen II Small Block V8

pcv valve elbow???

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Old Aug 9, 2010 | 12:58 AM
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2fast4u1989's Avatar
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From: richmond, va
Default pcv valve elbow???

i have a 95 lt1, the elbow that connects the pcv valce to the vacum line has messed up once, i bought a universal elbow from advance auto (which has worked out for about 2 months) and now i hear a sucking sound from it, when i felt it its like its sucking in the elbow like its collapsing? can i order one from GM still? what should i do?
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Old Aug 9, 2010 | 08:56 AM
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My 95 has no elbow at the PCV valve. What are you referring to?

http://shbox.com/1/pcv_pipe.jpg
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Old Aug 9, 2010 | 11:32 AM
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Probably referring to the elbow and tube on the passenger side valve cover, which is NOT a PCV valve.
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Old Aug 9, 2010 | 11:41 AM
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no i am reffering to the driver side where the pcv valve attaches to the intake, there was an elbow there that cracked, put on a new universal one and its sucking itself in. can i buy these from GM or is there another solution? i noticed on shboxes picture that his is just a straight rubber piece the hooks into the pcv valve, but it seems that my vacum line doesn't head in the direction like his does which is why there is an elbow. heres a pic though of mine as it sits now.
Attached Thumbnails pcv valve elbow???-imag0017.jpg  
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Old Aug 9, 2010 | 12:00 PM
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Thanks for posting the pic.

Definitley a 1995? I know the later models had the PCV pipe like your pic. There was an apparent design change that could have been mid-year.

GM PART # 12556257 for the pipe with the elbow on it. That's the only way it comes from GM.
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Old Aug 9, 2010 | 12:50 PM
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yup its a 95 formula, i gota find an elbow that will work i guess haha
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