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Thread: Edelbrock 545 Kit - believe it?

  1. #1
    ECeptor
    Ok all you experts, do you believe this dyno chart is realistic?
    http://www.***boat.com/image_center/...ck_454_Kit.jpg
    I found it here. (http://www.strokerengine.com/EdelbrockCombo.html)

  2. #2
    Daytona100
    My buddy is running the same combo except the cam. Hes running the 502 502 hp gm roller and his 21ft caliber1 hits 75mph no problem. Cant remember what prop he,s running. Looks like a good combo.

  3. #3
    DMOORE
    If it is, that's a great torque curve. Did it mention compression ratio and fuel needed?
    Darrell.

  4. #4
    ECeptor
    If it is, that's a great torque curve. Did it mention compression ratio and fuel needed?
    Darrell.
    From here: (http://www.strokerengine.com/EdelbrockCombo.html)
    454 Chevy 9.6:1 Engine 1500 to 6500 rpm
    The Edelbrock Performer RPM Package
    Performer RPM 290cc intake aluminum heads 110cc chambers
    Performer RPM cam 234/244 @ .050" .488"/.510" <---this is wrong
    Performer RPM manifold
    Performer RPM carb 750cfm
    Headers 2 1/8"

  5. #5
    cfm
    BBC Edelbrock RPM flat tappet cam has following spec's:
    #7162
    300°, 306° seat duration
    240°, 246° at .050" duration
    .560", .573" lift with 1.7 rockers
    112° LSA
    ICL 110°
    ECL 114°
    Valve events at .050" :
    IVO 10° BTDC
    IVC 50° ABDC
    EVO 57° BBDC
    EVC 9° ATDC
    overlap at .050" 19°

  6. #6
    bocco
    So how much HP would you loose running aluminum logs?
    I wonder how much HP the heads are worth compared to iron square port heads?

  7. #7
    SmokinLowriderSS
    That exact setup DD gives me 514 @ 5500RPM into large tube headers.
    542lb torque at 4500RPM. I didn't record the head flow data tho, file was already in the program.
    433HP from 5,000 to 5500 into 'HP manifolds w/ mufflers, which seems to be pretty close to the logs.

  8. #8
    bocco
    That exact setup DD gives me 514 @ 5500RPM into large tube headers.
    542lb torque at 4500RPM. I didn't record the head flow data tho, file was already in the program.
    433HP from 5,000 to 5500 into 'HP manifolds w/ mufflers, which seems to be pretty close to the logs.
    So the logs actually cost 80 HP?

  9. #9
    SmokinLowriderSS
    I can tell ya they cost me 50, before to after my Lightning headers & 4" outlets. Moderate 454 Mk-IV.

  10. #10
    ECeptor
    That exact setup DD gives me 514 @ 5500RPM into large tube headers.
    542lb torque at 4500RPM. I didn't record the head flow data tho, file was already in the program.
    433HP from 5,000 to 5500 into 'HP manifolds w/ mufflers, which seems to be pretty close to the logs.
    SS, what does DTDyno show if you use "small tube headers w/ mufflers"?

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