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Thread: Ffim catch can advice.

  1. #11
    What will we break today?
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    Default Re: Ffim catch can advice.

    Yep, sounds like you have the right idea!
    -Steve
    91 Supra- built 7M, Billet 67, AEM. Ya know, the 'wrong' engine...
    Best dyno: 788hp, 674tq @ 31psi on E-85.
    Best 1/4 mile: 11.366 @ 130.52

    My build thread: The Toyotanos Build!

  2. #12
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    Default Re: Ffim catch can advice.

    Any idea where I might find a check valve. I found that IJ is using a "fuel miser 102" metal PVC valve but I haven been able to find a source on where to buy them. The only other check valves I could find we're fuel check valves. Not sure if that would work. I saw the way nashman has his system hooked up and that's what I'm going for.

  3. #13
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    Default Re: Ffim catch can advice.

    You don't want a check valve, a PCV valve will work correctly. You want flow in both directions through the intake manifold hose. Just look for a PCV that fits your application. In my case I'll be running a 1"-> 1/2" coupler at the catch can, then running it over to the backside of the FFIM, then a PCV plugged into that hose then into the intake.
    -Steve
    91 Supra- built 7M, Billet 67, AEM. Ya know, the 'wrong' engine...
    Best dyno: 788hp, 674tq @ 31psi on E-85.
    Best 1/4 mile: 11.366 @ 130.52

    My build thread: The Toyotanos Build!

  4. #14
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    Default Re: Ffim catch can advice.

    So I could use just any generic PVC valve?
    How about if I were to tap the ffim and install one like in the link below?
    http://www.thepartsbin.com/catalog/?...CIoBEIMIMAc4Cg

  5. #15
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    Default Re: Ffim catch can advice.

    Not sure if 'just any' PCV valve would work, I suspect that's why IJ used that specific metal one(but I'm still not sure). More research will be needed to find the best answer, I think.
    -Steve
    91 Supra- built 7M, Billet 67, AEM. Ya know, the 'wrong' engine...
    Best dyno: 788hp, 674tq @ 31psi on E-85.
    Best 1/4 mile: 11.366 @ 130.52

    My build thread: The Toyotanos Build!

  6. #16
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    Default

    If it seals when boost hits, I don't see why it wont work.

  7. #17
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    Default Re: Ffim catch can advice.

    Because you always want movement in the system. If you only allow vacuum to suck stuff in, what is there to help the gasses move during boost? It ties back to where you don't want *only* crankcase pressure moving the gasses. Just lie the factory did, letting a little flow reverse back through the PCV system allows it to do its job better.

    Intake pressure/vacuum moving + PCV vapors = positive crankcase ventilation.
    PCV vapors + crankcase pressure = crankcase ventilation.

    One is better than the other.
    -Steve
    91 Supra- built 7M, Billet 67, AEM. Ya know, the 'wrong' engine...
    Best dyno: 788hp, 674tq @ 31psi on E-85.
    Best 1/4 mile: 11.366 @ 130.52

    My build thread: The Toyotanos Build!

  8. #18
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    Default Re: Ffim catch can advice.

    So how much of a boost leak will you get from running a pcv from the ffim? Won't this cause problems?
    * Built 7mgte * JE Pistons * Crower Rods * Crazy Head Porting * Custom Raised 7M turbo Cams * ARP Head Studs * HKS Stopper HG * AEM Cam Gears * Turbonetics Hi-Fi 62-1 Bolt-on Turbo * 5" Blitz SUS Filter * 1JZ FFIM w/ all provisions * Tial Q BOV * Delta Fin Intercooler * Greddy 720cc low impedence Injectors * Denso 285lph pump w/ 12v mod * Aeromotive AFPR * Tial Q Bov * Trust Power Extreme II Exhaust * BIC Ceramic DDP * Fluidyne Radiator * Flex-a Lite Fans * RPS Max Dual Diaphram Pressure Plate w/ OEM Aisin Disk * Fidanza Aluminum Flywheel * 3.73 Differential w/ Weir Stage One LSD * Tokico Illumina II Shocks * Eibach ProLine Springs * AEM v1 Rev.B Mod.C EMS * DH61 Ignitor / Sequential Ignition mod *
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  9. #19
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    Default Re: Ffim catch can advice.

    You run a restrictor into the manifold, just like the factory throttle body had. It is a small leak, but since its going back into the intake system after the MAF it won't mess up your MAF signals/AFR's.
    -Steve
    91 Supra- built 7M, Billet 67, AEM. Ya know, the 'wrong' engine...
    Best dyno: 788hp, 674tq @ 31psi on E-85.
    Best 1/4 mile: 11.366 @ 130.52

    My build thread: The Toyotanos Build!

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