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Good strong cam for DD

This is a discussion on Good strong cam for DD within the Internal Engine forums, part of the LSx Technical Help Section category; Maybe some Cali owners can chime in on this one... I'm looking to go with a new cam install. While ...

  1. #1
    Member cobrahunter's Avatar
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    Good strong cam for DD

    Maybe some Cali owners can chime in on this one...

    I'm looking to go with a new cam install. While I want it to be a strong cam, if the car can't pass smog, then there's no point. And if I only get lame numbers, again no point. Right now I'm looking into a cam with the following specs:

    216/220 .525 .532 LSA114

    Here's what I got:
    hi flo lid
    1:8 comp cam rockers
    80mm throttle body
    FTRA mod
    LS6 intake
    shorty headers (I'm in Cali; they do visuals around here so back off!!)
    flowmaster exhaust (but usually have cut-out open)

    Important, the car HAS to be able to pass smog; it's my DD.

  2. #2
    Member 89LX's Avatar
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    2000 Z28 M6

    not inflated numbers

    I have close to the same mods and installed 218/218 527/527 and feel it is a great daily driver (weekends). No it won't run with the really big dogs but remember it is a LS1 to start with. Plently of added power when the band hits 3400 and up. My dyno numbers are with two different tuners and fell out very close so feel there are good...not inflated numbers. I am 64 years young and give the rice burners fits when they dare. Good luck
    Last edited by 89LX; 03-20-2008 at 04:26 AM. Reason: spell
    2000 Z28 M6, SLP Lid, SLP Bellows, SLP UD,
    P&P Maf, TB By-Pass, PS Shorties, LS6 Intake, FAST 78mm TB, Hooker CB, Hurst Billet, Front Tower Brace, small 218/218....527/527....114 cam.
    337rwhp/348rwtq

  3. #3
    TunedbyFrost.com Tuner Frost's Avatar
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    Quote Originally Posted by 89LX View Post
    I have close to the same mods and installed 218/218 527/527 and feel it is a great daily driver (weekends). No it won't run with the really big dogs but remember it is a LS1 to start with. Plently of added power when the band hits 3400 and up. My dyno numbers are with two different tuners and fell out very close so feel there are good...not inflated numbers. I am 64 years young and give the rice burners fits when they dare. Good luck
    Sorry for the jack, but where are you in Eastern NC? Most all of my family lives from New Bern to Beaufort...

  4. #4
    Member 89LX's Avatar
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    2000 Z28 M6

    Cherry Point

    Down town Havelock...ooh Rah!

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    TunedbyFrost.com Tuner Frost's Avatar
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    Yeah have friends and fam that work at Cherry Point, NADEP n schizz....

    There is a dynojet in Jacksonville (no GM tuner though) and I have been thinking of setting up a tuning trip down there if I can get enough cars signed up...

    /end jack
    sorry OP

  6. #6
    Member kev70ss's Avatar
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    Im in Cali too and the cam im looking at getting has a 224 duration with a 115 lobe separation. I was told 224 duration and under should pass and anything with lsa 114 and up will

  7. #7
    15 sec. Oh yeah, its fast UTVols98's Avatar
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    Quote Originally Posted by cobrahunter View Post
    Maybe some Cali owners can chime in on this one...

    I'm looking to go with a new cam install. While I want it to be a strong cam, if the car can't pass smog, then there's no point. And if I only get lame numbers, again no point. Right now I'm looking into a cam with the following specs:

    216/220 .525 .532 LSA114

    Here's what I got:
    hi flo lid
    1:8 comp cam rockers
    80mm throttle body
    FTRA mod
    LS6 intake
    shorty headers (I'm in Cali; they do visuals around here so back off!!)
    flowmaster exhaust (but usually have cut-out open)

    Important, the car HAS to be able to pass smog; it's my DD.
    Your gonna want to stick with a cam that has 0 or negative valve overlap. The Thunder Racing 224/224 114 is a very popular cam that passes emissions and produces good power.

    The equation for valve overlap is:

    (intake duration + exhaust duration)/4 - lobe separation x 2= valve overlap

    so a TR 224 cam is 224+224/4-114x2= -4 degrees of valve overlap.

    I'm a little curious why you went with the 1.8 rockers? I know your looking at other cams, but typically a higher rocker ratio is used when someone wants to get more lift out of the valves without changing out the cam. It honestly would have been a lot cheaper to just buy a larger cam.

    I guess a cam somewhere around 220/224 .550/.540 112 will be good if your using the 1.8 rockers. Personally, I'd sell the 1.8 rockers and get a 224 if you still have the stock rockers with you.
    Last edited by UTVols98; 03-25-2008 at 12:15 AM.

  8. #8
    Member cobrahunter's Avatar
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    Yeah, that's the crappy part. I had the rockers installed about 3 years ago or so. Don't have the stock rockers. Heard that CompCams has camshafts that will work well with my rockers.

  9. #9
    Tatasta rcleveland@barrick.c's Avatar
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    TR 224. Proven over and over. 112 if no emission concerns.

  10. #10
    member since may 2000 nhraformula's Avatar
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    Quote Originally Posted by UTVols98 View Post
    .

    . Personally, I'd sell the 1.8 rockers and get a 224 if you still have the stock rockers with you.
    i did above. i gained 9 rwhp with the rockers, and when i ditched them, i gained 39 rwhp with a 224/224 cam and dyno.
    2000 nhra edition formula
    a few bolt ons, 379 rwhp
    11.96 @113.25

  11. #11
    15 sec. Oh yeah, its fast UTVols98's Avatar
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    Quote Originally Posted by rcleveland@barrick.c View Post
    TR 224. Proven over and over. 112 if no emission concerns.
    Yeah, but with the 1.8 rockers, it will make his lift well over the .600 mark.

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