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whats the difference between these two cams?

This is a discussion on whats the difference between these two cams? within the Internal Engine forums, part of the LSx Technical Help Section category; (224/224 545ex 545in 114 lsa) (224/224 581ex 581in 114 lsa) does it make a diffrence in performance? Any suggestions and ...

  1. #1
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    whats the difference between these two cams?

    (224/224 545ex 545in 114 lsa) (224/224 581ex 581in 114 lsa) does it make a diffrence in performance? Any suggestions and help will be appriciated

  2. #2
    Senior Member INMY01TA's Avatar
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    I'd get the 581 lift.

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    Senior Member mrr23's Avatar
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    dark bowling green
    2000 corvette

    very little difference. the more the lift, the more air/fuel that can get in.

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    member since may 2000 nhraformula's Avatar
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    2000 nhra edition formula

    the 581 will make some more power
    2000 nhra edition formula
    a few bolt ons, 379 rwhp
    11.96 @113.25

  5. #5
    Senior Member mrr23's Avatar
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    dark bowling green
    2000 corvette

    maybe 10hp, if you are lucky. the ramp rate is slightly quicker to achieve the higher lift.

  6. #6
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    what type of gains do you think i will make with the 224/224 545 in 545ex 114 with pushrods slp high flow oil pump slp double roller timing chain ls7 lifters rev dual valve springs .650 max lift

  7. #7
    JUISSED Midnight02's Avatar
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    Probably somewhere in the ballpark of 25 - 30 rwhp with a good tune.
    2002 Camaro SS M6, 2.5 PRC 5.3L heads, TFS 228/230 cam, FAST 92, bolt ons + a 10 lb bottle in the back.


    1989 Corvette L98, A4, Full bolt ons, etc.

  8. #8
    Slow'er'Ass Mr. Luos's Avatar
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    Quote Originally Posted by 99w69kitt View Post
    what type of gains do you think i will make with the 224/224 545 in 545ex 114 with pushrods slp high flow oil pump slp double roller timing chain ls7 lifters rev dual valve springs .650 max lift
    Avoid the SLP oil pump. It is about $40 too much...and they don't cover their product.

    I would also recommend an LS2 chain as an upgrade rather than the double roller. Double roller is bigger (obviously) and can sometimes create issues with fitment.
    2008 Trailblazer SS
    Yank PTB3600, Kooks 1 7/8" LT's, 4" intake, E-fans, Magnaflow, Sonnax kit, tranny cooler, tune.
    Lowered, HID's, tinted.

    1999 Pontiac Trans Am WS.6 #1747 SOLD
    531.1 RWHP 481.3 FT/Pounds all motor.

  9. #9
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    go with hight lift

    i`ll go with 581 but make sure to have dual valve springs

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