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Thread: Crankcase ventilation
          
   
   

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  1. 02-22-2007 09:08 AM #1
    Grumpy 427's Avatar
    Grumpy 427
    Grumpy 427 is offline CHR Member
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    Crankcase ventilation

     



    On my new BBC, I am running a vac-u-pan system. The trouble is,the headers were ceramic coated before the kit was installed. So the kit was installed in the collectors. Mind you i never run the car with open exhaust even at the track so i guess its not an issue. however. On the street. i am wondering if i am getting enough draw through this system with closed exhaust? i was looking at installing 2 extra breathers on the motor, or 1 extra breather and a pcv valve?The motor is going on the dyno, and i will know how much vacuum the motor is making at that time. What is the correct way to do this?
    Last edited by Grumpy 427; 02-22-2007 at 09:12 AM.
    9.65 @ 137 MPH 1.39 60' More left in the car.
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  2. 02-24-2007 07:16 AM #2
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    Grumpy 427
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    no thoughts on this?
    9.65 @ 137 MPH 1.39 60' More left in the car.
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  3. 02-24-2007 07:25 AM #3
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    Sorry i have no idea what your talking about, or i would help
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  4. 02-24-2007 07:28 AM #4
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    It should be installed at the collectors. Some times they don't work well with mufflers. Some guys just run hoses into a tank with a breather on it to allow the pressure out.
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  5. 02-25-2007 02:59 AM #5
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    yes i have try them and if you get off it running the engine hard it would blow the sick out of the dip stick tube and blow oil out [it needed to find a vent] that was with a3inch ex have tired it with 4 inch to . it just dose not work that hot with a EX i just run open breathers
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