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  1. 12-20-2006 09:01 AM #1
    aaronmc
    aaronmc is offline Junior Member
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    Ok im playing with ideas here, im know im getting a 6.0l for sure but i cant decide on the lq4 or the lq9 my plan if possible is to get between 400-500hp NA. Is that a possible number with the lq4, would it be a smarter idea to save the money that i would have spent on the lq9 and invest in parts for the lq4 to get the numbers I want or would i have to get an lq9 to even get close to those numbers NA. Also im not against the idea of super or turbo charging im just looking for the most cost effective way to acheive those numbers and it is a DD. Just trying to do some planning for the summer when i get the engine any suggestions are welcome.
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  2. 12-20-2006 09:05 AM #2
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    foggy
    foggy is offline Senior Member
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    If you are not going to go forced induction, I would say go with the lq9 for the higher compression.

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  3. 12-20-2006 09:14 AM #3
    RedHeartbeat
    RedHeartbeat is offline WTH JUST HAPPENED?
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    Get a built high compression (10.5:1) 408 with heads. According to online HP calculators mine is right at 500HP. It'll carry my 4725 lb truck down the 1/8 in 8.43 seconds. Not too bad I guess. I've seen guys with a lot more engine run slower in a regular cab truck.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
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  4. 12-20-2006 10:21 AM #4
    aaronmc
    aaronmc is offline Junior Member
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    <div class='quotetop'>QUOTE(RedHeartbeat &#064; Dec 20 2006, 10&#58;14 AM) [snapback]76848[/snapback]</div>
    Get a built high compression (10.5:1) 408 with heads. According to online HP calculators mine is right at 500HP. It&#39;ll carry my 4725 lb truck down the 1/8 in 8.43 seconds. Not too bad I guess. I&#39;ve seen guys with a lot more engine run slower in a regular cab truck.
    [/b]
    What kind of tranny and rear end are you running.
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  5. 12-20-2006 10:27 AM #5
    RedHeartbeat
    RedHeartbeat is offline WTH JUST HAPPENED?
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    Running a self built 4L60E with a lot of nice parts in it. The rear is the stock 10 bolt with 4.10s and an Auburn limited slip diff.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
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  6. 12-20-2006 07:05 PM #6
    daredevil350
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    400-450 hp is easily accomplished with an LQ9 w/ heads and cam. Cost effective I&#39;d say that is it, but take my opinion w/ a grain of salt. I know what I&#39;m talking about, but I rarely do anything cost effective lol. First LS1 I built made 842 hp on juice. But I have heard of quite a few F-bodys making those #&#39;s with a 6.0L w/ heads and cam. My cousins T/A made 470 something like that. And he did it just a cunt hair over 3K, w/ him paying to have it installed.
    2004 Chevy/Regency RST, 6.0L LQ4, custom built NV MG-5 tranny by local Tranny Guru, Hurst Shifter, K&N FIPK, stock Regnecy Exhaust, 3.73 gears w/ Eaton Locker, and the Magnacharger huffer topping it off w/ stock pulley... for now

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  7. 12-26-2006 06:06 PM #7
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    Jamest
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    LQ9 N/A. LQ4 IF FORCED INDUCTION. LQ9 IS A BIT STRONGER AND HAS HIGHER COMPRESSION. LQ4 IS STRONG DON&#39;T GET ME WRONG, JUST LOWER COMPRESSION. ITS PRETTY STRONG IF IT CAN HOLD 600+ HP. AT THE CRANK. HOW LONG IT WILL HOLD IT I DO NOT KNOW, BUT I AM CURRENTLY RUNNING AN LQ4. I WILL LET YOU KNOW WHEN I BLOW IT.


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    LQ4 6.0L, WCCH HEADS, LEVEL 5 FLT 4L80E TRANS. WITH TRANS BREAK, YANK 3200 STALL, TRICK TURBO, TURBONETICS T-76 TURBO, CUSTOM INTERCOOLED, 68lb INJECTORS, CUSTOM S/D TUNE FROM NELSON PERFORMANCE, COMP CAM 212/214 .557/.559 116+2, SNOW METH. KIT, . ALL INSTALLED AND DYNOED AT NELSON PERFORMANCE: 5**?HP @ 5073rpms and 5**TQ @ 4389rpms AT THE WHEELS WITH 10 PSI OF BOOST. ALL 3/4 TON TRUCK 5435LBS, NOTHING TAKEN OFF, STREET TIRES, AND USUALLY 2 BABY SEATS. WANNA RIDE?
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  8. 12-26-2006 07:01 PM #8
    DBYRD Guest
    LQ9 I think has stronger pushrods other than that I can&#39;t see where any other peice would be superior than the LQ4 as far as strength is concerned. If your gonna go forced go LQ4 if not LQ9 pretty much sums it up in my book.
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