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Thread: RHS 501" LS vs. GMPP 572" Big Block.

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  1. #1
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    So where is ur big block at Parker???
    2012 Ford F-150 Ecoboost Super Crew 4x4, stock and staying that way.
    2001 chevy green = LS1 stock, 3k stall, 373 posi, tuned by LSX Power in CS TX

  2. #2
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    Quote Originally Posted by GreenMonster View Post
    So where is ur big block at Parker???
    Its almost not even worth my time to respond but, what the hell are you talking about? I don't have a need for a big block at this time. You can put money on it though, when the time comes for me to build a race car/truck, it WON'T be LS powered. Don't get me wrong. I think the LS platform is great for drivers and weekend toys, but when it comes to racing for money, BBC and SBC are still taking home the money. Look at 10.5 racing...Outlaw 10.5: TT BBC, Outlaw Radial: TT BBC, x275: NOS SBC, Our local series 2 years in a row: NOS SBC...See a pattern? The LS motor is great, but there's a reason people continue to build the "old school" stuff. I knows there's really no reason for me to try and argue my point here, so I'll just agree with what you're thinking

    THE LS MOTOR IS THE GREATEST ENGINE EVER
    2007 RCSB|DTR81 built LSx 3xx|PRC|NX|BOGART|MSD|QUICKFUEL 950 E85|4L80|FTI Converters|Smith RaceCraft|Racepak
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  3. #3
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    The graphs look impressive until you realize there's only a 4% difference between the two motors (for hp)...

    07 Z71 4x4, 6.0L, 3.73s, Turbonetics T76 @ 10 psi, 75 shot, Snow meth kit, PLX DM-100 wideband gauge, Nelson tune, Comp 212/216 .557/.561 114 lsa, 60# injectors, Yank 3000, 4L80E , Magnaflow - dumped, e-cutout
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  4. #4
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    GET OUT OF HERE WITH THAT RICER MATH!

    Quote Originally Posted by pl4yboy View Post
    If you aren't living on the edge, you're taking up too much space.

  5. #5
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    i had a bbc in my last avalanche that sucked lol
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    and ya it will beat a hemi.

  6. #6
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    and thats just small 433 cubic inches at 1000 hp !! imagine 500 c.i lsx
    Last edited by CHEVROLADE; 11-14-2010 at 08:05 PM.

  7. #7
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    Quote Originally Posted by STUNNA View Post
    and thats just small 433 cubic inches at 1000 hp !! imagine 500 c.i lsx
    i posted this last time and dont think he said anything. and look he hasent commented on it! wow what a shock lol
    74 Austin Morris Mini 1000 - Daily Coil Spring conversion, lowered, Disc Brake conversion
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  8. #8
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    I don't understand why you want to compare the two???

    Both are GM...We're all for GM products here right?

    Both are badass engines...Right?

    Cubic inches are cubic inches...whether its a small block or a big block. I bet the cylinder heads on the SAM motor would cost someone nearly $7-8k to buy....Throw an awesome set of heads on a 500+ C.I. motor and that 433 is still going to run with its tail tuck, whether its an LS, SBC, BBC

    The zz572 comes with "junk" heads, a TINY 850 cfm carb and a small cam...Now, throw a set of heads on it that flow 480cfm, an 1150 dominator and an actual cam in it and see what happens

    THERE IS NO REASON TO COMPARE THESE TWO!!!
    2007 RCSB|DTR81 built LSx 3xx|PRC|NX|BOGART|MSD|QUICKFUEL 950 E85|4L80|FTI Converters|Smith RaceCraft|Racepak
    midweststreetcars.com

  9. #9
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    Only reason I posted this was the torque curves. Heard a million times LS motors can't make torque, Jon blew this outta the water and this graph shows it as well. A few idiots turned it into another "who has the smallest dick and least to do during the day" contest.
    2006 Silverado
    Little Black Bitch

  10. #10
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    30' Ford Model A Tudor Sedan - Custom chassis - Big bore LS2 - twin B76's - Glide - 9" w/ 3.07 gears - 30" DR tire - 2k lbs cruiser

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