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224/224 .581 112 vs 228/228 .588 112 ?

This is a discussion on 224/224 .581 112 vs 228/228 .588 112 ? within the Internal Engine forums, part of the LSx Technical Help Section category; Reading up about the two cams makes them sound the same. Would go into a m6 '99 TA, ssra, mac's ...

  1. #1

    224/224 .581 112 vs 228/228 .588 112 ?

    Reading up about the two cams makes them sound the same.

    Would go into a m6 '99 TA, ssra, mac's and borla. Mods to come .. HO slp hood, ls6 intake, 4.10's, ported tb

    What would be the advantage or disadvantage of goign with one vs the other?

    I see alot fo ppl with cams that have different rates.. such as the 230/224 and the 224/228 combo's.

    Why would they differ the ramp rates and what would you notice differently going with 228/224 or 224/228 ?

    Who has the time to tech a retard? )

  2. #2
    member since may 2000 nhraformula's Avatar
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    basicly, the 228/228 will make alittle better power. it will make the power alittle higher in the rpm range compared to the 224/224.
    being that you have an m6, the 228/228 is ideal.
    both are great street/strip cams.
    2000 nhra edition formula
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    Member Flobeast385's Avatar
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    1999 TA M6

    I have the 224/581 112LSA cam and i love it, you can really feel it pick up the power at about 1800 rpms and hold on. I also have an m6 with stock tune and have no problems with surging or stalling.

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    Senior Member ninobrn99's Avatar
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    all bore 370 Trans Am

    both are good cams. i went through the same dillema your going through. i went with the f10 114 (228/228) from FMS. It was a great cam! never made it to the track on it, but it put down 377/372 tuned..i wasnt too happy with the numbers, but i cant say how it performed at the track either. It was a great DD cam and wasnt bad on MPG's either. I upgraded to the f13, but i havent finished tuning it. it was a dog down low, but with the new 3.89's in my 9", it woke up!

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    Member silverTA2002's Avatar
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    silver
    2002 Pontiac Trans Am

    There are dyno graphs comparing the cams, as well as others. You have to search a bit to find them, but they're there.

    From what I can remember basically the 228 will have about 5 more peak hp, and lose about 3 tq down low, and it'll peak about 100-200 rpm higher.

    The real difference in cams doesn't come until you go into the mid to high 230s. Then you lose a lot of tq under 3k, but will gain about 20hp more up top.

    Comparing all three cams, the 230+ cams don't overpower the 224 cam till over 5500 rpm.

    Another difference is that the longer duration cams will have quite a bit rougher idle.

    I listened to my 220/224 114 cam right next to a vette with a 224/228 cam. His was WAY more audible of a lope.

    I've had my heads/cam in since October, and I've NEVER had anyone ask me if I had a cam by listening to the exhaust. If I tell them, then they hear it, but it doesn't stand out.

  6. #6
    I've been wondering what are the practical uses for having non symmetrical duration cams?

    Im assuming the traditional split ones are best for turbo type cars? the longer duration on exhaust giving more time for the turbo to have fun?

    Shrugs, not sure on what use the reverse split would be for? Maybe for nitrous users?

    I've read up on the cam faq at ls1tech, but alas it still doesnt seem to sink in )

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    member since may 2000 nhraformula's Avatar
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    speed inc uses a 225/225 cam for their turbo set ups.


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