Holley 4bbl - Where To Hook Up PCV Valve?
Thread Starter
Junior Member
Joined: Jun 2009
Posts: 56
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From: Yorktown, VA
Car: 1986 Pontiac Firebird Trans Am
Engine: 350 4bbl
Transmission: Stock Auto
Axle/Gears: Stock
Holley 4bbl - Where To Hook Up PCV Valve?
Read the previous descussion up until this point here:
https://www.thirdgen.org/forums/tech...l-burning.html
Basically, my car burns oil out of one valve cover breather, I need to hook up the PCV valve to suck the oil and reburn it, but there are no open vacuum outlets.
Any and all help would be appreciated!
https://www.thirdgen.org/forums/tech...l-burning.html
Basically, my car burns oil out of one valve cover breather, I need to hook up the PCV valve to suck the oil and reburn it, but there are no open vacuum outlets.
Any and all help would be appreciated!
Joined: Mar 2000
Posts: 43,187
Likes: 46
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Use the large vacuum nipple on the base of the carb (usually on the back).
Hook your power brake vacuum to a runner on the intake manifold.
Hook your power brake vacuum to a runner on the intake manifold.
Thread Starter
Junior Member
Joined: Jun 2009
Posts: 56
Likes: 0
From: Yorktown, VA
Car: 1986 Pontiac Firebird Trans Am
Engine: 350 4bbl
Transmission: Stock Auto
Axle/Gears: Stock
Re: Holley 4bbl - Where To Hook Up PCV Valve?
Okay, just to clarify, there should be a nipple on the intake?
i have the booster vacuum hose hooked up to the large nipple on the back of the carburator right now...
i don't think there's a nipple on the intake, or atleast i haven't seen one. I have an aftermarket edelbrock intake on there now, where would it be?
i have the booster vacuum hose hooked up to the large nipple on the back of the carburator right now...
i don't think there's a nipple on the intake, or atleast i haven't seen one. I have an aftermarket edelbrock intake on there now, where would it be?
Thread Starter
Junior Member
Joined: Jun 2009
Posts: 56
Likes: 0
From: Yorktown, VA
Car: 1986 Pontiac Firebird Trans Am
Engine: 350 4bbl
Transmission: Stock Auto
Axle/Gears: Stock
Re: Holley 4bbl - Where To Hook Up PCV Valve?
Joined: Mar 2000
Posts: 43,187
Likes: 46
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Okay, just to clarify, there should be a nipple on the intake?
i have the booster vacuum hose hooked up to the large nipple on the back of the carburator right now...
i don't think there's a nipple on the intake, or atleast i haven't seen one. I have an aftermarket edelbrock intake on there now, where would it be?
i have the booster vacuum hose hooked up to the large nipple on the back of the carburator right now...
i don't think there's a nipple on the intake, or atleast i haven't seen one. I have an aftermarket edelbrock intake on there now, where would it be?
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Joined: Oct 2002
Posts: 9,067
Likes: 1
From: Saskatoon, SK, Canada
Car: '83 Z28, '07 Charger SRT8
Engine: 454ci, 6.1 Hemi
Transmission: TH350, A5
Axle/Gears: 2.73 posi, 3.06 posi
Re: Holley 4bbl - Where To Hook Up PCV Valve?
If its a double pumper, you'll need a small carb spacer and the low profile fitting.
You'll have to buy a hose barb as well to install into the 90* fitting, but they can be had for a couple bucks at any auto parts store.
Heres the pic of the fitting (Edelbrock P/N 8096):
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