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Thread: what would LS1 heads do for a 5.3

  1. #1
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    like the topic asks
    02 Chevy EcSb Z71, 5.3, Helix Tb Spacer, AEM Brute Froce Intake, Msd 8.5 wires, NGKTR55 IX, B&M 25k Trans Cooler, Hypertech 160, Nelson Tune, Nelson Harness & Ls1 fans, Fully Built tranny, tb2600, 216/224 551/551 115LSA, yeller z06 springs, magnaflow, cut-out, hi-flow cats, etc...

  2. #2
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    It would lower your compression just a small amount, but would flow better. I would think the benefits out weigh the small loss in compression.
    '92 GMC reg. cab, step side. 7.32@ 92.3. SOLD
    http://videos.streetfire.net/video/d...d700c6401f.htm
    New project: '00 S-10 ext. cab, ZQ8, 370, T-56, daily driver.

  3. #3
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    is it worth it or not really?
    02 Chevy EcSb Z71, 5.3, Helix Tb Spacer, AEM Brute Froce Intake, Msd 8.5 wires, NGKTR55 IX, B&M 25k Trans Cooler, Hypertech 160, Nelson Tune, Nelson Harness & Ls1 fans, Fully Built tranny, tb2600, 216/224 551/551 115LSA, yeller z06 springs, magnaflow, cut-out, hi-flow cats, etc...

  4. #4
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    If your getting them cheap, then I would do it.
    '92 GMC reg. cab, step side. 7.32@ 92.3. SOLD
    http://videos.streetfire.net/video/d...d700c6401f.htm
    New project: '00 S-10 ext. cab, ZQ8, 370, T-56, daily driver.

  5. #5
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    what kinda power gains would i notice? mid range? low end? etc...

    also whats the diffrence between the 5.3 heads and 4.8 heads? cause im gunna sell my old heads to a friend
    02 Chevy EcSb Z71, 5.3, Helix Tb Spacer, AEM Brute Froce Intake, Msd 8.5 wires, NGKTR55 IX, B&M 25k Trans Cooler, Hypertech 160, Nelson Tune, Nelson Harness & Ls1 fans, Fully Built tranny, tb2600, 216/224 551/551 115LSA, yeller z06 springs, magnaflow, cut-out, hi-flow cats, etc...

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