Camshaft
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Thread: Camshaft

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    Default Camshaft

    This might be a stupid question but is it possible to upgrade the camshaft in a 200 with the 2.4l using hydraulic flat tappet cams?

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    There are no stupid questions but are you wanting to replace your hydraulic roller with an hydraulic flat tappet??

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    Quote Originally Posted by GLHS60 View Post
    There are no stupid questions but are you wanting to replace your hydraulic roller with an hydraulic flat tappet??

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    Randy
    Yes. I wanna a little bit of a choppy idle.

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    The 2.4 has a mechanical flat tappet camshaft, I doubt anybody is going to offer a hydraulic setup do to the modifications that would have to be done to the oiling system in the cylinder head.

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    Makes sense is there anyway to tune the cam shaft or is that out of the question too?

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    Quote Originally Posted by Machineman View Post
    The 2.4 has a mechanical flat tappet camshaft, I doubt anybody is going to offer a hydraulic setup do to the modifications that would have to be done to the oiling system in the cylinder head.
    The Chrysler 2.4 uses hydraulic lash adjusters and a roller rocker.
    Not a mechanical flat tappet.

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    Oh okay. So basically you can't do anything to them including tuning.

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    Senior Member GLHS60's Avatar
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    What year is your 2.4??

    Up to 2014, the 2.4 had Dual Variable Valve timing and the computer selected the cams position and overlap for max. performance and economy.

    Not that it couldn't be improved upon, just no one has yet tried to implement a different cam profile to work with the VVT and computer that I know of.

    2015 went even further with both VVT and variable lift.

    If you want a performance 2.4, there were three, the Neon SRT 4 or the Caliber SRT 4, both with turbocharged 2.4 engines and manual transmissions or if you need an automatic, the PT Cruiser Turbo was available in both automatic and manual.

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    Okay I have a 2011 with an automatic so what do you suggest I try from your personal preferences and experiences.

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    Quote Originally Posted by GLHS60 View Post
    The Chrysler 2.4 uses hydraulic lash adjusters and a roller rocker.
    Not a mechanical flat tappet.

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    Randy
    The 2.4 that is used in the 200 is a mechanical flat tappet. It uses different height lifters from the factory to get proper lash. I just done 2 of these heads in my machine shop and they are not a hydraulic roller, the old 2.4 yes, these,no.

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