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Just Installed Cam And Heads...

This is a discussion on Just Installed Cam And Heads... within the Internal Engine forums, part of the LSx Technical Help Section category; i just installed p & p heads, 224/224 cam , underdrive pulley, and all associated mods.. started up and idles ...

  1. #1
    Junior Member MCCs WS6's Avatar
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    Just Installed Cam And Heads...

    i just installed p & p heads, 224/224 cam , underdrive pulley, and all associated mods.. started up and idles ok.. had to drill a hole in the throttle body to idle better, the ses light in on and the code is misfires on all the cylinders.. is this normal after a cam swap.. or is my timing off.. the car runs erratic.. which im pretty sure is normal pre-tune..my question is.. are these problems normal after a cam swap?? thanx

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    Junior Member dsmx17's Avatar
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    is it rough only at idle or when you rev it slightly as well?

    im not to familar with the cams you chose, as in how aggressive they are, but just from general knowledge 22x cams shouldnt throw any missfire codes....

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    Junior Member MCCs WS6's Avatar
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    it doesnt seem to run rough when revved.. pretty much just at idle.. its a comp cam 224/224 114 lsa.. not too aggressive

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    Visualize°Design°Create SSwt00SS's Avatar
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    its just trying to find an idle RPM. not that big of an issue. just get the car tuned soon...

    if it's misfired on all cylinders, check timing, but you should have been able to install the cam straight up dot to dot and be done w/it, and not affect timing...

    what's your lift... .563, .561, .581, .588...?
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    Junior Member MCCs WS6's Avatar
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    the lift is 581.. i just had it tuned last night.. made 383 horse and 360 torque.. car ran real well.. thanx for the help

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    Visualize°Design°Create SSwt00SS's Avatar
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    '12 Silver SS 1SS
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    good numbers. i have the same cam: 224 .581 but w/a 112lsa...

    hope you enjoy the power...

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    Member jag42420's Avatar
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    Quote Originally Posted by SSwt00SS View Post
    its just trying to find an idle RPM. not that big of an issue. just get the car tuned soon...
    Most people bump the idle up a bit with a cam too. A tune should maximize your gain and stabilize your idle.

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