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Thread: 1991 4x4 k1500 6.0 swap header question.

  1. #1
    Join Date
    Jan 2012
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    2

    1991 4x4 k1500 6.0 swap header question.

    So I'm starting a 6.0 swap to my truck it is a 1991 4x4 k1500. I want to put long tube headers on it but Idk what brand will work with 4x4. I've been searching for a few weeks on the forums but I can't seem to find any headers that work. Any suggestions?

  2. #2
    Join Date
    Jun 2009
    Location
    Caledonia, MI
    Posts
    322
    go with pacesetter #70-2265 on summit. they have a ceramic version (which u want) or painted black (which will rust before u even get a chance to bolt them on)
    Silverado Z71 10" Lift COMPLETE 6.0/4L80E PRC 2.5 Ported LS6 Heads 228r Comp Cam 3200 CIRCLE D Stall LS7 Lifters ARP Bolts SLP Oil Pump and Double Timing Chain 160 T-Stat 3" SLP Loudmouth Electric Cutout Walbro 255 Pacesetter Longtubes MSD Starter NELSON Harmess NELSON Street/Strip Tuned ECM MSD Wires LS1 Throttle Body Braided Lines Spectre CAI 4.56 Gears Detroit Locker 14 bolt http://www.ls1truck.com/forums/lsx-t...wap-build.html

  3. #3
    Join Date
    Jan 2012
    Posts
    2
    Will do thanks for the reply!

  4. #4
    Join Date
    Aug 2011
    Location
    Galveston, Texas
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    225
    Quote Originally Posted by HPICamaroSS View Post
    go with pacesetter #70-2265 on summit. they have a ceramic version (which u want) or painted black (which will rust before u even get a chance to bolt them on)
    X2
    1992 Full size blazer 5.3 Swap successful.
    http://www.ls1truck.com/forums/lsx-t...zer-build.html
    Galveston, Texas

  5. #5
    How do they fit on a 98 4x4 OBS?

  6. #6
    Join Date
    Aug 2011
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    Did these clear the front diff??

  7. #7
    Join Date
    Aug 2011
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    Im wondering the same thing im swaping an LS in my k1500 and I dont want to buy headers that wont work

  8. #8
    Join Date
    Jun 2009
    Location
    Caledonia, MI
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    Quote Originally Posted by ymaha05 View Post
    Im wondering the same thing im swaping an LS in my k1500 and I dont want to buy headers that wont work
    They will work just fine in 88 to 98 4wd trucks. They clear the front diff but they might rub a tad on the drivers side frame which can b fixed by pingin the header with a hammer

  9. #9
    Join Date
    Mar 2011
    Location
    Hamilton, Ontario
    Posts
    72
    i will be putting these headers on tonight. i will take a couple pictures and post them up.

  10. #10
    Ya pics would be great. Are you using the off road y pipe too? Where exactly does it hit on frame?

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