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Thread: L33 5.3 and boost?

  1. #1
    Join Date
    Nov 2007
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    S.A. Texas
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    L33 5.3 and boost?

    Some things have come up and I need to get the truck running. I found a L33 5.3 with 20k on it for 650. I am wondering if this will handle 8-10 of boost will no issue for a while. So my built motor is on hold for a while just needing some info in the L33 with boost. Thanks
    Name: Mark,
    God created turbo lag so nitrous trucks could have a chance.


    http://www.ls1truck.com/forums/my-ga...tml#post274877

  2. #2
    Join Date
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    I think it would work out well, Should have 243 heads on it I believe.... Should flow nice

    06 Intimidator SS- Tuned, CAI -DD
    03 Silverado- Last incarnation 13.6... RIP
    Ls1, Pnp heads, Polluter camshaft, spray, 4k stall on the way
    "Seize the day like you seize your noodle" - Shin Chan

  3. #3
    Slimsilverado Guest
    If im right compression on that engine is higher that will have some effect on your boost..

  4. #4
    Join Date
    Sep 2005
    Location
    Austin Tx.
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    13,138
    My LM7 does just great with boost. If your worried, do ARP rod bolts all around, springs/rods. I'm running 12lbs on just springs/pushrods.
    1951 3100
    1984 C10

  5. #5
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    Quite a few others have L33 with 10-12 psi and it works well. I wouldn't hesitate, it sounds like a great price.
    2001 ECSB 4x4, 5.3, Radix, 3.0 pulley, VHP Trucker cam, 216/224 .551/.551 115 lsa, 1.8 Crane roller rockers, 4L65E, Yank SC3000, 3.73, Cal-Tracs, HPTuners.

  6. #6
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  7. #7
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    Thanks guys Good read jason
    Name: Mark,
    God created turbo lag so nitrous trucks could have a chance.


    http://www.ls1truck.com/forums/my-ga...tml#post274877

  8. #8
    Join Date
    Sep 2005
    Location
    Austin Tx.
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    13,138
    That is a good read. Nice find
    1951 3100
    1984 C10

  9. #9
    Slimsilverado Guest
    the L33 just has higher Compression Ducky thats all i was worried about

  10. #10
    Join Date
    Aug 2008
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    Good price Mark. Guess you knew that. They have the same piston construction though so I guess you have found the boost creep problem.

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