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  1. #11


    Quote Originally Posted by TRPLXL2 View Post
    The one in the link is considered a "thumper cam", this is a very agressive cam that I would not recommend for a daily driver. Check his ebay store out, he has them sorted by make and model.

    As far as heads go this is something I did not get into, mainly because I didn't have the money to invest in them. Your 5.3 would have cathedral port heads, and the LS2 heads are rectangular port meaning you would have to get an LS6 intake to match the ports. Alot of guys are starting to run LS3 heads, because they are better flowing than the LS2 heads even. LS3 heads are also rectangular port.

    After I installed my cam swap, we tried to drive it but it wouldn't idle at all!! You would pull up to a stop light and it would stall, or whenever you would hit the brakes it would die suddenly. It would be unsafe to drive untuned.

    Yeah sounds like towing is the way to go hah.

    For that price it sounds like I might just save up for a blower package and work on beefing up internals to get ready for it.

    What would you recommend upgrading for the internals to handle the boost?
    Charles 02 z71 Cladded Avy
    Mods: eBay k&n Intake, highflow magnaflow cats & y pipe, 6" FabTech lift, 35" Pro Comps, Superchips #2715, SnugTop, 4.56's, MOOG front end
    Wishes: LQ4 + a beefed up 4L60E

  2. #12
    TRPLXL2's Avatar
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    Jan 2009
    Norwalk, Ohio
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    Now your talking about something I have no experience in lol, I have actually been just starting to look at a Magnacharger for mine in the next year or two. I always wanted to do it, but something always comes up. Sorry I can't offer more insight...
    2004 Chevy Colorado
    LS1 5.7 swap/TBSS rear axle swap

  3. #13


    Sorry, im a lil late on this.. but what did you end up doin?

    That seller on ebay is just down the road from me but ive never heard of them.

    your goin to need a cam in the 212/218 ish range for a truck with the stock torque converter or its goin to be a pig.

    also i saw where 6.0 heads were mentioned. the 317 heads flow really good but they are goin to drop the compression a good bit compared to your stock 862 heads..
    now if you found some 243 or 799 heads and got them worked over, you would see a good gain with the right cam.
    2000 ECSB Silverado 2WD
    LQ4 with Isky 215 Turbo Cam
    4L80E KB Racing S475 Turbo Kit

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