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Cams for Dummies

This is a discussion on Cams for Dummies within the Internal Engine forums, part of the LSx Technical Help Section category; Yeah so there's basically one thing about an engine I don't understand. The duration of a cam and it's lift. ...

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    Missing 4 Cylinders BULLET_WS6's Avatar
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    2003 GTI 1.8T :(

    Cams for Dummies

    Yeah so there's basically one thing about an engine I don't understand. The duration of a cam and it's lift. I get the basics, but I can't allways tell what's good and what's not, what's too radical, what's too mild. All that stuff so does anyone have any articles that I can study or at least give me a quick tutor session as an example to me and everyone else who reads?

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    Missing 4 Cylinders BULLET_WS6's Avatar
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    2003 GTI 1.8T :(

    cant thank you enough
    now when i actually have money i may be able to take on a cam

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    Member mvvette97's Avatar
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    Don't forget a good set of valve springs. I recommend the Patriot Golds duals.

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    Missing 4 Cylinders BULLET_WS6's Avatar
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    2003 GTI 1.8T :(

    what kind of adv do they have.. and what do u think of any of the lingenfelter series cams?
    I am about to buy a set of headers this weekend... pacesetter with ory... but it will be another few months before im ready to tackle something like a cam

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    Member mvvette97's Avatar
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    Honestly I don't really like the specs on their cams. They seem to have a very low duration and a high lift. I have always been a Comp guy. I have ran Comp cams in everything I own. I guess it all depends on where you want your power to come in and what kind of an idle you want. I really like the cam i have because the lift isn't huge and the duration is kind of a mid size. My bottom end is pretty much like stock but when it gets to about 3k it really comes alive. Has a good lope also. If you go too big you will not have anything on the bottom and also it is harder to tune.

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    Missing 4 Cylinders BULLET_WS6's Avatar
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    2003 GTI 1.8T :(

    yeah i see what you mean... to be honest, this may contradict everything i SHOULD be saying, but i would like to have an offset idle, i know thats not how you pick a cam, but i allways wanted that, and im sure if the lsa is high enough and a mildly lifted cam i can still run stock heads and get a slight offset

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    Member mvvette97's Avatar
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    well the higher LSA you have the more smooth it will idle and also the higher up the power will come in. I run the Comp 228/230 on a 112 and it still had good power on the bottom and also has a good lope. I also run the stock heads. The lower LSA the more lope it will have and the power will start lower in the range.

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    Here is what my 228/230 on a 112 sounds like.

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    2003 GTI 1.8T :(

    goodness thats nice... what kind of exhaust do you have headers back

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    At that time I had the magnaflow but now I have the SLP loudmouth and run a bullet muffler in the mid pipe. It's alot louder now. I also don't run any cats.

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    Missing 4 Cylinders BULLET_WS6's Avatar
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    2003 GTI 1.8T :(

    i got lm2's... so it should sound around the same... have u dynoed?
    btw i looked into cams and i like the xer-287hr-12 i dont think its too radical.. but u never know

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    Senior Member Street Lethal's Avatar
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    Quote Originally Posted by BULLET_WS6
    All that stuff so does anyone have any articles that I can study or at least give me a quick tutor session as an example to me and everyone else who reads?
    I got some David Vizard books that I can scan for you if you'd like. I hate explaining symmetry, as all we're doing is re-paraphrasing such engine gurus' work, trying to turn them into our own words, which is why I rarely discuss VE's....

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    Senior Member Street Lethal's Avatar
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    2009 Corvette ZO6


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    2003 GTI 1.8T :(

    That was great, it furthered my knowledge of camshafts. Hopefully soon i will have the money and knowledge to build up my own drivetrain. Thanks

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    bullet do u have a video of what your car sounds like now? that would be interesting to compare between both...it sounded fer clean with the magnaflow...i have the loudmouth too with no cats and its a hell lot louder...everyone seems to believe im cammin...i want to know wat it sounds like with an actuall cam i n there

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    2003 GTI 1.8T :(

    Quote Originally Posted by sstud View Post
    bullet do u have a video of what your car sounds like now? that would be interesting to compare between both...it sounded fer clean with the magnaflow...i have the loudmouth too with no cats and its a hell lot louder...everyone seems to believe im cammin...i want to know wat it sounds like with an actuall cam i n there
    i have a video.. but i dont have a cam on there yet if thats what ur getting at... and i dont know how to put it on here... but it is on my myspace

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    Quote Originally Posted by BULLET_WS6 View Post
    i have a video.. but i dont have a cam on there yet if thats what ur getting at... and i dont know how to put it on here... but it is on my myspace
    what's you myspace addy? I also have myspace

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    2003 GTI 1.8T :(

    myspace.com/240_prodigy

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    Quote Originally Posted by BULLET_WS6 View Post
    myspace.com/240_prodigy
    added

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