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Thread: lt1 or ls1

  1. #1
    Join Date
    Nov 2008
    Posts
    2

    Arrow lt1 or ls1

    i was wondering with would be easier to swap. its a 1993 chevy silverado with a 4.3 liter and 5 speed trans. i was wondering if any one knows who makes motor mounts, and if i could keep my stock trans or not.any prices for parts of both motors.

    thanks.

  2. #2
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    LS1 is the easiest. Any 4.8, 5.3, 5.7ls1, 6.0 or 6.2L engine will be easier than a LT1 swap. More parts are available for them plus you have us here for help.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  3. #3
    Join Date
    Aug 2008
    Location
    North Texas
    Posts
    12,078
    The LS is a much better design as well.

  4. #4
    Join Date
    May 2008
    Location
    Crossett,Ar
    Posts
    2,382
    I never liked the flawed idea of optispark being located under the water pump on the lt1. Its a disaster waiting to happen even if you get the lt1 swapped in. I vote LS style

    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

  5. #5
    Join Date
    Dec 2006
    Posts
    4,033
    welcome to ls1truck!! LS all the way!!
    Simple: 408 on steroids!
    single digits coming soon!

  6. #6
    Join Date
    Nov 2007
    Location
    Bakersville, NC
    Posts
    608
    GENIII all the way. the LT1 was good in its time but IMO is way out dated. and like show&go said the distributor is an ax-cident waiting to happen. 1 time with this happening and youll regret going with a GENII.
    David,
    2003 GMC Sierra Denali, LQ4, AWD, AWS, 4.10, Wheatley 93 tune, LT headers, GMPP CAI, BBK 80mm TB, MSD wires, E3 plugs, 160* T-stat, Flowmonster DI/DO, cutouts. Working on 4.8 heads, just purchased Comp 228R cam, 918 Springs, TI retainers, 7.4 hardend pushrods,

  7. #7
    What Red Said.

    Ls1 FTW
    99RCSB Broke because I wasted thousands and thousands of dollars on my truck.

  8. #8
    Join Date
    Sep 2005
    Location
    Austin Tx.
    Posts
    13,138
    LS1 is overrated.

    I would go with the LT1. More power for your buck.
    1951 3100
    1984 C10

  9. #9
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    There's one in every bunch.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  10. #10
    Quote Originally Posted by duckysbht View Post
    LS1 is overrated.

    I would go with the LT1. More power for your buck.
    Hey who took over Davids account. He has never owned an LT1.

    Least I don't think he has.
    Last edited by zeake; 11-19-2008 at 02:59 PM. Reason: Least I don't think he has.
    99RCSB Broke because I wasted thousands and thousands of dollars on my truck.

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