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Desk top dyno help please

Discussion in 'The Garage' started by Chevy305, Aug 29, 2006.

  1. Chevy305

    Chevy305 6 Lug 14bsf Status Premium Member GMOTM Winner

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    Could you guys with the desk top dyno make 2 runs with different cams for me on my 305? Please...

    Specs:
    1983 305 L69
    stock bottom end (flat top pistons)

    Intake: Weiand Action+
    duel plane aluminum intake manifold

    Carb: Holley 600cfm #4160

    Distributor: Proform Race HEI
    50,000 volt coil

    Heads: Trick Flow 175cc 23*
    Intake Runner Volume (cc):175ccExhaust Runner Volume (cc):67cc
    Intake Valve: 1.94
    Exhaust Valve: 1.50
    Cumbustion Chamber: 56cc
    http://store.summitracing.com/partdetail.asp?autofilter=1&part=TFS%2D30300002&N=700+4294925232+4294838998+4294867081+400098+4294867028+4294784286+115&autoview=sku

    Cam #1: Lunati Voodoo Cam 268*
    hydrolic flat tappet
    Intake Duration at 050 inch Lift:227Exhaust Duration at 050 inch Lift:233
    Intake Valve Lift with Factory Rocker Arm Ratio:0.489 in.Exhaust Valve Lift with Factory Rocker Arm Ratio:0.504 in.
    Lobe Separation (degrees):110
    http://store.summitracing.com/partdetail.asp?part=LUN%2D60103LK&N=700+4294925232+4294924497+4294861490+400421+4294908216+4294840138+4294925044+4294887485+115&autoview=sku

    Cam #2: Lunati Voodoo Cam 262*
    hydrolic flat tappet
    Intake Duration at 050 inch Lift:219Exhaust Duration at 050 inch Lift:227
    Intake Valve Lift with Factory Rocker Arm Ratio:0.468 in.Exhaust Valve Lift with Factory Rocker Arm Ratio:0.489 in.
    Lobe Separation (degrees):112
    http://store.summitracing.com/partdetail.asp?part=LUN%2D60102LK&N=700+4294925232+4294924497+4294861490+400421+4294908216+4294840138+4294925044+4294887485+115&autoview=sku


    If I left anything out that you need to know let me know.
     
    Last edited: Aug 29, 2006
  2. Chevy305

    Chevy305 6 Lug 14bsf Status Premium Member GMOTM Winner

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  3. yoshisv

    yoshisv 1/2 ton status

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    pm'd ya
     
  4. Chevy305

    Chevy305 6 Lug 14bsf Status Premium Member GMOTM Winner

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    Anyone think the carb or intake is holding the power back?
     
  5. 1977k5

    1977k5 3/4 ton status Vendor

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    No way.
     
  6. Chevy305

    Chevy305 6 Lug 14bsf Status Premium Member GMOTM Winner

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    Ok according to yoshisv for power with this setup on the 268* cam I get
    355hp @ 6000rpm

    350 lbs @ 4500rpm

    A bit of a higher winder but not bad for a 305 with a bone stock short block.
     
  7. beastofablaze

    beastofablaze 1/2 ton status

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    did you enter the flow numbers on the heads? if not its about pointless...
     

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