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Thread: 4.8L to a LS1

  1. #11
    yea for sure
    Dropped Ext Cab 99 Sierra, AirRaid intake, PowerAid Throttle Body Spacer, 3 in exhaust to a Flowmaster, Exhaust out back side of bed of truck, Bright Red, Projector Headlights, Billet Steering Wheel, Touch Screen DVD/CD player, Soon To have, N2O, Headers, Cam, Stall, Nelson Tune, E fans, Shift Kit,

  2. #12
    Join Date
    Mar 2003
    Location
    San Marcos Texas
    Posts
    4,393
    I picked up a second in the 1/4 with no other changes.
    2006 Superior Blue Trailblazer SS AWD, Stock as a rock

    Sold: 2002 GMC Sportside Denali front end with a 2002 LS1, FLT level 5, Yank 2600, Trick Turbo, T76, Nelson intercooler, 60LB injectors, Warbro fuel pump, Eaton locker, Magnaflow, 3.42, Nelson Performance Tuning (speed density).

    Sold: 1981 GMC LB RC 1500 2002 4.8L 4L60E 12 bolt 3.73 Richmond Lock Right AC PS Nelson Performance tuning

  3. #13
    Check the bolt pattern on the valve covers!! Redheartbeat is right, some LS1's will have a perimter style valve cover and will require brackets for you to mount the coil packs. You shouldn't have to buy the LS1 coils at all. If by chance the LS1 has a center bolt pattern style valve cover then youre ok with the truck coils and brackets. Fuel injectors will be fine since they're only 4lbs less than the LS1's you shouldn't see too high on the IDC.

  4. #14
    Join Date
    Dec 2007
    Posts
    1
    what would i have to do since i have a 4.3 in my truck. Would i need the ls1 wiring harness and computer. Also is it possible to put a 6-speed in a single cab 2001 chevy.

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