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RhinoFLA
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PostSubject: Valve cover breather assembly   Tue Feb 27, 2007 8:21 pm

I've seen a picture of one in a guy from tamparacing.com's impala ss, just wondering how much of an impact it would make installing one.
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PostSubject: Re: Valve cover Breather    Tue Feb 27, 2007 8:45 pm

Really not necessary unless you've disabled the PCV valve. It's not going to make any power or help cool anything. Some guys just put'em on to look cool. 8)

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PostSubject: Re: Valve cover Breather    Tue Feb 27, 2007 8:50 pm

people use them at shows to dress up the bay but it doesnt add any power. provided you pcv works, like Aaron said.

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PostSubject: Re: Valve cover Breather    Tue Feb 27, 2007 9:01 pm

gotcha, 30 dollars for looks? no thank you
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PostSubject: Re: Valve cover Breather    Wed Feb 28, 2007 10:04 pm

There are some justifications for breathers. When you get to a small pulley, big turbo, nitrous or some other super high volume of air, you can get a lot of ring blow-by under heavy throttle. At these times a breather is required or you start to blow oil seals out.

For most applications the PVC is more than enough and a breather is not needed. If you are running smaller than a 3.0 pulley you might be in the range where a breather becomes appropriate. Every engine is different.
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PostSubject: Re: Valve cover Breather    Wed Feb 28, 2007 11:17 pm

but if your running a 3.0" pulley then you most likely dont have the pcv or egr for that mater.
but thank you for clearing that up Derek. i'm always learnin somethin new

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PostSubject: Valve cover Breather    Sun Feb 26, 2012 2:34 pm

is buy a valve cover breather worth the 35$??

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97SC_CALI_RIV
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PostSubject: Re: Valve cover Breather    Sun Feb 26, 2012 2:36 pm

sorry typo

i meant to ask is it worth spending the 35$
i know its not expensive but is it a real benefit?
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PostSubject: Re: Valve cover Breather    Sun Feb 26, 2012 2:57 pm

VC breather is less of a mod and more of a "i changed it bc i had to" item.
If you go I/C and loose the function of the PCV or you have too much crankcase pressure then you need to vent it somehow. a breather does this. will you NOT notice a performance gain on a stock car, not unless your pcv valve is stuck.

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1996 with 244k miles, L324" FWI -> ported N* -> Ported Gen V w/3.0" Pulley, Stage 3 Phenolic I/C, ZZP FMHE, 1.84 RR, Headers and 3" pipe to mufflers, F-body brakes, and lowered on Eibachs.
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PostSubject: Re: Valve cover Breather    Sun Feb 26, 2012 10:42 pm

97SC_CALI_RIV wrote:
sorry typo

i meant to ask is it worth spending the 35$
i know its not expensive but is it a real benefit?


Why are you interested in one? If you're driving a street Riv, there's nothing to gain, really.
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97SC_CALI_RIV
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PostSubject: Re: Valve cover Breather    Mon Feb 27, 2012 6:59 pm

i was just looking into it.
but i noticed my riv makes a strange noise sometimes and i read on a 3800 site that a few people have just added breather to it and it went away.

and i heard the noise on youtube and it sounds very similar to mine but i shouldnt have to much pressure

im currently on a 3.5" SC pulley
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DEMonte1997
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PostSubject: Re: Valve cover Breather    Tue Feb 28, 2012 12:32 am

I have one that was used for less than a week and I'll sell it to ya for $20/shipped.

But I agree with everyone in this thread in that it won't give you any performance gains.
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PostSubject: Re: Valve cover Breather    Tue Feb 28, 2012 11:13 pm

97SC_CALI_RIV wrote:
i was just looking into it.
but i noticed my riv makes a strange noise sometimes and i read on a 3800 site that a few people have just added breather to it and it went away.

and i heard the noise on youtube and it sounds very similar to mine but i shouldnt have to much pressure

im currently on a 3.5" SC pulley


LOL... I haven't owned a vehicle that DIDN'T make a strange noise every now and then! Figure out the noise, then how to address it, if need be.
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97SC_CALI_RIV
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PostSubject: Re: Valve cover Breather    Wed Feb 29, 2012 10:52 pm

i appreciate it Rick, but from what every ones telling me, i think ill pass thanks tho
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