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Thread: picking a cam

  1. #1
    Senior Member EXPERT BUILDER
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    picking a cam

    ok my set up is a basically stock efi chevy 350 and ive heard that once you get into the past a 501 cam the fuel injector wont pump enough fuel to keep the motor at an idle true any suggestions on cams would be nice
    pray for our soldiers our freedom and rain

  2. #2
    Senior Member RACING JUNKIE
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    What efi set up?

  3. #3
    Senior Member EXPERT BUILDER
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    stock efi also
    pray for our soldiers our freedom and rain

  4. #4
    Senior Member RACING JUNKIE
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    tbi? multi port? chevy ? ford?

  5. #5
    Senior Member EXPERT BUILDER
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    tbi chevy wanting to run a 511 cam but friends say it wont stay idiling and die due to lack of fuel
    pray for our soldiers our freedom and rain

  6. #6
    Senior Member EXPERT BUILDER
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    Cam Style Hydraulic flat tappet
    Basic Operating RPM Range 3,000-6,500
    Intake Duration at 050 inch Lift 234
    Exhaust Duration at 050 inch Lift 244
    Duration at 050 inch Lift 234 int./244 exh.
    Advertised Intake Duration 292
    Advertised Exhaust Duration 302
    Advertised Duration 292 int./302 exh.
    Intake Valve Lift with Factory Rocker Arm Ratio 0.488 in.
    Exhaust Valve Lift with Factory Rocker Arm Ratio 0.510 in.
    Valve Lift with Factory Rocker Arm Ratio 0.488 int./0.510 exh.
    Lobe Separation (degrees) 114
    Computer-Controlled Compatible No
    Lifters Included Yes
    Lifter Style Hydraulic flat tappet
    Valve Springs Included No
    Retainers Included No
    Locks Included No
    Valve Stem Seals Included No
    Timing Chain and Gears Included No
    Assembly Lubricant Included Yes
    Pushrods Included No
    Rocker Arms Included No
    Gaskets Included No





    cam specs too big???
    pray for our soldiers our freedom and rain

  7. #7
    Senior Member RACING JUNKIE
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    IMO> it wont work........ TBI's dont have much of a tuning window as it is, now if you had port injection, yes but with that the old TBI set up of yester-year, your pretty much stuck to a RV cam at the most.
    ***IN GOD WE TRUST***

  8. #8
    Senior Member RACING JUNKIE
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    Quote Originally Posted by txhunter69
    Cam Style Hydraulic flat tappet
    Basic Operating RPM Range 3,000-6,500
    Intake Duration at 050 inch Lift 234
    Exhaust Duration at 050 inch Lift 244
    Duration at 050 inch Lift 234 int./244 exh.
    Advertised Intake Duration 292
    Advertised Exhaust Duration 302
    Advertised Duration 292 int./302 exh.
    Intake Valve Lift with Factory Rocker Arm Ratio 0.488 in.
    Exhaust Valve Lift with Factory Rocker Arm Ratio 0.510 in.
    Valve Lift with Factory Rocker Arm Ratio 0.488 int./0.510 exh.
    Lobe Separation (degrees) 114
    Computer-Controlled Compatible No
    Lifters Included Yes
    Lifter Style Hydraulic flat tappet
    Valve Springs Included No
    Retainers Included No
    Locks Included No
    Valve Stem Seals Included No
    Timing Chain and Gears Included No
    Assembly Lubricant Included Yes
    Pushrods Included No
    Rocker Arms Included No
    Gaskets Included No





    cam specs too big???
    This was copied right off your post....

    " Computer-Controlled Compatible No "
    ***IN GOD WE TRUST***

  9. #9
    Senior Member EXPERT BUILDER
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    ok well if i swapped the tbi over to carbaurated would it work and main reason i want the bigger cam is for the lopey idle im going to sell it when im done and lopeyer the idle the "meaner" it sounds
    pray for our soldiers our freedom and rain

  10. #10
    Senior Member RACING JUNKIE
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    Computer-Controlled Compatible No
    That should have answered it for you.

    Tbi's are not performance friendly.

    A nice exhaust will give it a good sound and save you lots of money and headache.[/quote]


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