twin turbos

Discussion in 'High Tech for Old Iron' started by hotrod78, Aug 6, 2009.

  1. hotrod78

    hotrod78 hotrod78

    whats up guys , I was wondering if you guys can help me out. I'm going to be running twin turbos on a chevy 350 motor.I modified my edelbrock 750 carb for a blow thru setup.I was wondering what would be the best (Step-up)metering rods , needle and seat,Primary metering jets,and secondary metering jets for my application.Here's the info on my motor

    Turbo:twin T3/T4 hybrid
    57 compressor wheel trim mapped for low & high boost setups
    wet float bearings & properly balanced
    3" inlet diameter with a 2" outlet
    .50 A/R compressor housing
    .63 A/R turbine housing
    1/8 NPT oil inlet
    T3/T4 hybrid

    Crankshaft : Stock

    Pistons : stock

    Connecting rods:stock

    Intake manifold:Edelbrock performer

    Carb:Edelbrock 750

    Heads:cast iron

    Camshaft:COMP Cams 12-210-2 - COMP Cams High Energy Camshafts

    Cam Style: Hydraulic flat tappet

    Basic Operating RPM Range: 1,500-5,500

    Intake Duration at 050 inch Lift : 218

    Exhaust Duration at 050 inch Lift: 218

    Duration at 050 inch Lift: 218 int./218 exh.

    Advertised Intake Duration: 268

    Advertised Exhaust Duration: 268

    Advertised Duration: 268 int./268 exh.

    Lobe Separation (degrees) 110

    Intake Valve Lash 0.000 in.

    Exhaust Valve Lash 0.000 in.

    Computer-Controlled Compatible No

    Grind Number CS 268H-10

    Lifters: COMP Cams 812-16 - COMP Cams High Energy Hydraulic Lifters

    Rocker arms: COMP Cams RP1412-16 - COMP Cams Magnum Rocker Arm Kits
    Stud Mount, Roller Tip, Steel, 1.52 Ratio,

    Timing Chain: COMP Cams 2100 - COMP Cams Magnum Double Roller Timing Sets<!-- google_ad_section_end -->
     
  2. Nick A.

    Nick A. Well-Known Member

    I don't have the info your looking for on that Edelbrock carb, but my suggestion would be to put a Victor Jr on there and a 750 double pumper or 650 holley. These carbs properly converted are much easier to tune for the blow through stuff and the single plane intake will make fuel distribution better underboost.

    We've got a Twin turbo Banks Sidewinder 350 that makes a minimum of 700hp on pump gas with out an intercooler setup.
     

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