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Thread: Max HP for my 5.3

  1. #1
    Join Date
    Jan 2010
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    Max HP for my 5.3

    How much HP do you think i can squeeze out of the LIL 5.3? NNBS 90mm intake with edelbrock 90mm tb, ported 706 heads, bigger cam, current cam is a 224/230 581/588. I want to hit 12's on motor... other mods will be a 3600 stall circle d and 4.10 or 4.30 gears...

  2. #2
    Join Date
    May 2009
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    Farmington, MN
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    There must be guys around here that hit the 12's on a stock bottom end (no laughing gas). It would be a stretch, though. IMO you should punch it out and get rid of those dish pistons. Get into the 400+ hp club
    2000 Sierra rcss, LS6, xr265hr-15, HP Tuner, B&M, traction, cai, 2-4, 3.73 G80, Centerline, Pacesetters w/custom pipes and mufflers

  3. #3
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    it runs mid 13's now...yea punching it out and getting new pistons cost lots might as well go 6.0 if imma do that...i dont want to touch the bottom end other than maybe rod bolts

  4. #4
    Join Date
    Jul 2009
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    532
    I'd say push her till she breaks. SUPPOSED to be good to 500hp
    04 Silverado Z-71 Extended Cab

    Magnaflow, 10.4 TV 50 wires, tr-55ix, Synthetics, HID's, JL audio, 33.5", leveling kit, tuned, CAI, vette servo, cam, valve job, pacesetter. 9.3@77.5 and 14.5@93.4

    06 2wd

    custom cam, tune, 3.73's, servo, HID's, 10.4mm wires, long-tubes, CAI, magnaflow, 2.5" shackles, Circle-D 3200, UD, JL Audio 4.1, Alpine 5ch

  5. #5
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    Nov 2007
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    THE MEAN STREETS OF OKLAHOMA
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    why get a bigger cam, thats the same cam i run and i promise ill hit 12s on motor at SAR this year, i ran 13.1 on a nitrous tune last year.
    THEY CALL ME G.

    AZRAEL

    2017 RZR 1000 2 SEATER
    2023 RZR 1000 XP 4
    2008 LTZ DURAMAX 3500
    2023 300S 5.7
    2023 BUICK ENCORE[/B]

    The difference between winning and losing, is having a 2nd stage.

  6. #6
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    Why not go bigger???? I dont see why a 228 or 230 cam would be 2 big......its gonna get a 3600 stall any ways...

  7. #7
    Join Date
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    cus thats alot of time and money and i doubt its gonna help you enough to make that big of difference.
    THEY CALL ME G.

    AZRAEL

    2017 RZR 1000 2 SEATER
    2023 RZR 1000 XP 4
    2008 LTZ DURAMAX 3500
    2023 300S 5.7
    2023 BUICK ENCORE[/B]

    The difference between winning and losing, is having a 2nd stage.

  8. #8
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    Cedar Park
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    898
    4 hour cam swap awww come on G

  9. #9
    Join Date
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    Quote Originally Posted by GreenMonster View Post
    4 hour cam swap awww come on G
    i just think its not necessary is all, that cam makes good power already, id look at other area that may need improvment, like free mods like wieght reduction
    THEY CALL ME G.

    AZRAEL

    2017 RZR 1000 2 SEATER
    2023 RZR 1000 XP 4
    2008 LTZ DURAMAX 3500
    2023 300S 5.7
    2023 BUICK ENCORE[/B]

    The difference between winning and losing, is having a 2nd stage.

  10. #10
    Join Date
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    mine and your mods are almost identical, but you have P&P 706s and i got P&P 862s
    THEY CALL ME G.

    AZRAEL

    2017 RZR 1000 2 SEATER
    2023 RZR 1000 XP 4
    2008 LTZ DURAMAX 3500
    2023 300S 5.7
    2023 BUICK ENCORE[/B]

    The difference between winning and losing, is having a 2nd stage.

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