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02-05-2021, 02:50 AM
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#1 |
 Drives: 2014 2SS/RS/LS3 Join Date: Mar 2017
Location: Houston, Tx
Posts: 89
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Valve cover vacuum line
Hey guys so I’m going boosted and I’m wondering how to delete the vacuum line that comes out of the passenger valve cover into the CAI intake tube.
As of now I mocked it up so that it feeds my blow off valve but I will run my BOV and Hobbs off of a vacuum manifold T’ed off of the brake booster. What did you guys do about that line? Thanks
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2014 LS3, AFDynamics Cai, Speed Engineering catless headers, BTR Nightfury cam 484RWHP 453lbft TQ
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02-05-2021, 05:22 AM
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#2 |
      Drives: 2011 Camaro SS 6sp Join Date: Nov 2016
Location: Drivers Seat
Posts: 1,904
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The passenger side valve cover nipple should be connected to something that always sees vacuum. It is the fresh air supply for your pcv system. You need fresh air going in always.
If you have a centri blower, it should connect to the air filter housing before the supercharger. It will never see boost there. It's a terrible idea to use that for your BOV. I'd be surprised if your bov worked correctly. What kind of force induction system are you installing? I would highly suggest the vacuum block T'd into the brake booster line for the Hobbs and BOV. Also, since you're now going go be pressurizing the crankcase with boost, you will need a way to relieve the pressure. The stock pcv system is closed, so if you run too much boost you could possibly blow the front or rear main seal. (which sucks to fix). Look into a vented PCV catch can system. I made one for about $40 worth of parts off ebay.
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2011 Camaro SS---SOLD
TMS Dart 427 FED M311s, ESS Tuning G4 Blower, DSX Triple FP Assembly, DSX FF, FIC1300, Mcleod RXT 1200HD, Edlebrock Pro Flo XT 1158whp 1017wtq. 2010 CTS-V A6 - "Stock" SOLD 630whp 658wtq 2024 F-150 RCSB 5.0 4x4 waiting for tunes... |
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02-05-2021, 10:43 AM
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#3 |
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Served USN - Atomic Chimp
Drives: 13 Camaro LSX434 TT M6, 21 ZLE A10 Join Date: Jul 2012
Location: Fort Collins, CO
Posts: 1,603
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Exactly as eLeSthree has stated. Have a check valve for that crankcase venting (catch can) if you're connected to the intake manifold as you only want to pull air in (vacuum) and not vent your boost out of the intake. The catch can will connect to the valve covers and that will allow your crankcase to not build up pressure to blow out your mains.
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 In excess of 1,000WHP LSX434 | AGP 65/65 TT | BTR Equalizer Intake | Trickflow 245cc cathedral | BTR custom cam | Cortex EBC | n2mb WOT | ID-1700x | Brisk GR12S | RPM Lv 7 TR6060 | AGP's Triple 525LPH Fore Fuel | Monster LT1-S Triple | 4.11 DSS Proform 9", CF driveshaft, 1400hp axles | Hurst Line Lock | MGW Retro Short Throw w/old skool Hurst T-handle | ADM solid subframe mounts | Prothane Motor Mounts | Revshift Poly Trans insert | Moreno camber/caster plates |
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02-05-2021, 01:02 PM
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#4 |
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Drives: 2014 2SS/RS/LS3 Join Date: Mar 2017
Location: Houston, Tx
Posts: 89
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Ok so I can route that one to a catch can. Thank you!
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2014 LS3, AFDynamics Cai, Speed Engineering catless headers, BTR Nightfury cam 484RWHP 453lbft TQ
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02-06-2021, 08:05 AM
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#5 | |
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Valkyrie14
Drives: Chevrolet Camaro SS Join Date: Mar 2020
Location: Eau Claire, Wisconsin
Posts: 962
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Quote:
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2014 SS LS3/LSA Supercharger, 10% Super Damper, 2.55 upper, AGP Dual Pump, ID 1050 injectors, Pegasus solid rear cradle bushings, LT Headers, Roto-Fab CAI, Elite E2 catch can, E85 corn fed, 160 Thermostat, Monster Twin Disk, MGW Short Throw shifter, Tick Clutch Master Cylinder, HP Tuners, JL Audio system.
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02-06-2021, 10:28 AM
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#6 |
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Drives: 2014 2SS/RS/LS3 Join Date: Mar 2017
Location: Houston, Tx
Posts: 89
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Aluminum Alloy Vacuum Manifold... https://www.amazon.com/dp/B01F8KW5X6...p_mob_ap_share
That’s the one I’m using. There are many different ones
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2014 LS3, AFDynamics Cai, Speed Engineering catless headers, BTR Nightfury cam 484RWHP 453lbft TQ
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02-06-2021, 11:07 AM
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#7 | |
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Served USN - Atomic Chimp
Drives: 13 Camaro LSX434 TT M6, 21 ZLE A10 Join Date: Jul 2012
Location: Fort Collins, CO
Posts: 1,603
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Quote:
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In excess of 1,000WHP LSX434 | AGP 65/65 TT | BTR Equalizer Intake | Trickflow 245cc cathedral | BTR custom cam | Cortex EBC | n2mb WOT | ID-1700x | Brisk GR12S | RPM Lv 7 TR6060 | AGP's Triple 525LPH Fore Fuel | Monster LT1-S Triple | 4.11 DSS Proform 9", CF driveshaft, 1400hp axles | Hurst Line Lock | MGW Retro Short Throw w/old skool Hurst T-handle | ADM solid subframe mounts | Prothane Motor Mounts | Revshift Poly Trans insert | Moreno camber/caster plates |
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02-06-2021, 12:42 PM
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#8 |
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Drives: 2014 2SS/RS/LS3 Join Date: Mar 2017
Location: Houston, Tx
Posts: 89
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My catch can has 3 ports. I know that I connect 2 to the valley cover and intake manifold. What’s the 3rd one go to?
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2014 LS3, AFDynamics Cai, Speed Engineering catless headers, BTR Nightfury cam 484RWHP 453lbft TQ
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02-06-2021, 03:47 PM
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#9 |
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Drives: 2014 2SS/RS/LS3 Join Date: Mar 2017
Location: Houston, Tx
Posts: 89
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Found this
I found this thanks to Elite engineering. Since I don’t have an air line on my oil filler cap, I will run the passenger valve cover vent to the air intake.
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2014 LS3, AFDynamics Cai, Speed Engineering catless headers, BTR Nightfury cam 484RWHP 453lbft TQ
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