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Edelbrock Pro Flo XT or single plane high rise fuel injection manifold

This is a discussion on Edelbrock Pro Flo XT or single plane high rise fuel injection manifold within the Port Injection (96+ / OBD-II) forums, part of the Performance category; For a large displacement small block with 210cc heads which intake would you use and why? Looking for good idle ...

  1. #1
    loves Mickie James oldred95's Avatar
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    Edelbrock Pro Flo XT or single plane high rise fuel injection manifold


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    For a large displacement small block with 210cc heads which intake would you use and why? Looking for good idle to 5000 rpm power. I like the looks and overall package of the Pro Flo intake but it may not be what I need.

    http://www.summitracing.com/parts/EDL-71373/


    http://www.summitracing.com/parts/EDL-29785/
    1995 Silverado - ported vortec heads, 4L80E, efans, LT4 Hot Cam, Rear disc brake conversion w/drilled and slotted rotors
    1999 NBS Silverdo - transgo HD2 shift kit, 3 inch dynomax ultra flow, Ford keys and 305/70-16 Mickey ATZs

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    Registered User 96ImpSS's Avatar
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    Re: Edelbrock Pro Flo XT or single plane high rise fuel injection manifold

    Just offhand, it seems to me like the ProFlo fits your bill, especially since you want the power from idle to 5000.
    I have no experience or knowledge of that manifold, but it appears similar to an LT1 manifold, except for perhaps longer runners. And unported LT1 manifolds are feeding 600 hp strokers over here in our "two ton racing classes" :)
    '98 XCSB, ZZ4 cam, Tri-Y's, Yank SS3600 TC
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    Re: Edelbrock Pro Flo XT or single plane high rise fuel injection manifold

    Thats what I was thinking too but I was recommend going with a dual plane air gap intake from what we will call a 3rd party. First of all they don't even make a dual plane manifold machined for injectors and second of all it would suck.

    I read somewhere this intake has 5 inch long runners. Those 5 inches plus about 3 inches of intake runner length in the head should keep some decent velocity going I would think. The intake system is rated up to 650 hp with 44# injectors per Edelbrock. Should be plenty substantial I would think.
    Last edited by oldred95; 02-19-2012 at 08:24 PM.
    1995 Silverado - ported vortec heads, 4L80E, efans, LT4 Hot Cam, Rear disc brake conversion w/drilled and slotted rotors
    1999 NBS Silverdo - transgo HD2 shift kit, 3 inch dynomax ultra flow, Ford keys and 305/70-16 Mickey ATZs

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    Re: Edelbrock Pro Flo XT or single plane high rise fuel injection manifold

    I think the pro flow would choke your heads flow in the upper rpm's. You said a big cubic inch small block with 210cc heads that is alot of air. What size are you talking about

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    Re: Edelbrock Pro Flo XT or single plane high rise fuel injection manifold

    Quote Originally Posted by transplant View Post
    I think the pro flow would choke your heads flow in the upper rpm's. You said a big cubic inch small block with 210cc heads that is alot of air. What size are you talking about
    400 small block that will never see anything past 6000 rpms. I'm looking for strong lowend torque and once the turbo spools if there is any chance that intake is a restriction NA it won't be once there its under boost.
    1995 Silverado - ported vortec heads, 4L80E, efans, LT4 Hot Cam, Rear disc brake conversion w/drilled and slotted rotors
    1999 NBS Silverdo - transgo HD2 shift kit, 3 inch dynomax ultra flow, Ford keys and 305/70-16 Mickey ATZs

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