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  1. #1
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    K24A3 vs. K20A cams

    Does anybody have the exact profile for these 2 engines' cams?

    From the research I've done the K20A intake cam seems to have a more aggressive vtec profile but more tame before vtec. Does anyone have any suggestions for a cam swap? I've been told to just swap the K20A intake cam and leave the stock K24A3 exhaust cam.

    Any help would be appreciated
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  2. #2
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    the k20a intake cams gotta be from k20a2 or jdm k20a.
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  3. #3
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    Yeah, have you found any yet Yonas?? I have cash ready if you do
    CL9 Euro Luxury

    Toda - 127kW | Wakefield - 1:19.1 | WSID - 15.4

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  4. #4
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    Got loads of ém...
    You want one?
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  5. #5
    id just like to mention this is for a k24. Give him a proper idea girls

  6. #6
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    if im not mistaken u just cant put k20a2 cams into a accord euro motor?

    wouldnt you have to do a head swap?

    k20a2 head will have provision for the third cam lobe. on the k20a2 head both ports are open, once vtec kicks in the valves are opened longer

    where as a k24a3 head vtec machanism does not carry a third cam lobe and only opens up a second port when vtec is engaged

    please correct me if im wrong but from what i have read, this seems to be true
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  7. #7
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    Quote Originally Posted by LiL FiLo View Post
    if im not mistaken u just cant put k20a2 cams into a accord euro motor?

    wouldnt you have to do a head swap?

    k20a2 head will have provision for the third cam lobe. on the k20a2 head both ports are open, once vtec kicks in the valves are opened longer

    where as a k24a3 head vtec machanism does not carry a third cam lobe and only opens up a second port when vtec is engaged

    please correct me if im wrong but from what i have read, this seems to be true
    You dont need to do head swaps to run k20a type R cams
    What he needs is type R valve springs and k20a type R valve springs based.

    i think you got mixed up with k24a3 USDM spec.
    JDMyard Pty Ltd
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  8. #8
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    my bad! yonas correcto
    HORSEPOWER is how hard you hit the wall.
    TORQUE is how far you go through it!

  9. #9
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    Quote Originally Posted by EG5 View Post
    You dont need to do head swaps to run k20a type R cams
    What he needs is type R valve springs and k20a type R valve springs based.

    i think you got mixed up with k24a3 USDM spec.
    Is it required if limiter is kept around 7400rpm?

  10. #10
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    Quote Originally Posted by fatboyz39 View Post
    Is it required if limiter is kept around 7400rpm?
    if you want to rev it to 8000 rpm, valve springs from type R is required.
    JDMyard Pty Ltd
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  11. #11
    how reliable would an K24a3 be at those rpm? (assuming upgraded valve springs/retainers)

  12. #12
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    Yeah that's my question too... I thought the rods would be in much more danger earlier than the valvetrain
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