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Thread: 4.8L Project Horsepower - One step at a time

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  1. #1
    Join Date
    May 2008
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    Schertz, Tx
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    Quote Originally Posted by farmtruc View Post
    Tomorrow:
    How much do longtube headers make?
    I thought you did this already and only got 9hp out of them...

    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
    Line-X, Pace Edwards Full Metal Jackrabbit bedcover

  2. #2
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    Mar 2003
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    Quote Originally Posted by rutroe View Post
    I thought you did this already and only got 9hp out of them...
    I did a comparison with shortys and longtubes, and it was a different cam, I'd like to see what the gains are with a bigger cam. See if lt's shine a little more.

  3. #3
    Join Date
    May 2008
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    Schertz, Tx
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    Quote Originally Posted by farmtruc View Post
    I did a comparison with shortys and longtubes, and it was a different cam, I'd like to see what the gains are with a bigger cam. See if lt's shine a little more.
    O I C

    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
    Line-X, Pace Edwards Full Metal Jackrabbit bedcover

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