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  1. #1
    Jr. Mechanic dfhollums's Avatar
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    Default Enough Transmision?

    17800393
    HT383E
    What's Hot? Four-bolt mains
    Perfect truck/SUV upgrade
    Easy installation

    An emissions-legal small-block that brings on the torque for your '96''99 GM truck/SUV!
    The HT383E crate engine from GM Performance Parts is an exciting new extension of our 'High Torque' line that is especially designed for your '96''99 half-ton, full-sized GM pickup trucks and SUVs, with the L31 350. The HT383E is a direct replacement for your high-mileage 5.7L stock engine.

    The HT383E offers you the same brute strength of our HT383: forged steel crank, 4-bolt main cast iron block, and a camshaft designed for towing and hard work. With 383 cubic inches, you also get a broad torque band that peaks at 3600 rpm with horsepower peaking at 4500 rpm.

    Our GM Performance Parts engineers designed the HT383E so that installation is as easy as possible. Simply swap your new HT383E in place of your existing 5.7L engine using your stock intake manifold, wiring harness, and fuel injection system. The stock computer adapts to the new HT383E, and you suddenly have a stump-pulling, big-inch small-block at your disposal.

    Go with the HT383E, and get the job done right! I am considering installing the above described GM Performance Parts engine in my wife's 1999 1/2 ton Suburban. Does anyone here have any experience of using this same engine and is the stock transmission enough to handle the torque or are there some modifications that need to be done? A brake upgrade from SSBC is also in the plans.

  2. #2

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    Thread Moved to power train tech to get more responses
    Last edited by Pikey; 07-15-2013 at 11:39 AM.

    1995 Silverado 4x4
    6" BDS Suspension Lift-3" Body Lift-Add A Leaf in rear -Trailmaster SSV Shocks-Duel Steering Stabilizer Kit -AirAid Cold air intake-
    4.56 Gears with Detroit Auburn Locker-Pro-Comp Traction Bars with duel shocks-Aluminum Skid Plate Kit-38.5" x 16.5" Mickey Thompson Baja Claws-Constant Dropping fuel gauge

    2005 Yukon XL Jet Power Programmer, Bilstein Shocks, Bilstein rear springs, Helwig Anti-sway bars, EGR Window Visors, EGR Hood Shield, Denali Headlights, Headlight harness upgrade, GE NightHawk Bulbs, White Night Rear lighting system, Russell Braided SS brake lines, PowerStop Brake pads, PowerStop cross drilled and Slotted Rotors, http://www.gmtruckclub.com/forum/sho...5-GMC-Yukon-XL
    2002 Silverado ext cab 2wd (Sold)
    2003 Yukon XL (Totaled)

  3. #3
    Jr. Mechanic dfhollums's Avatar
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    Default

    I'm not finding your reply in the Forum you listed.

    - - - Updated - - -

    Thanks for the assistance

  4. #4
    Jr. Mechanic dfhollums's Avatar
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    Default

    GM Performance Engine HT 383E PN 17800393. I want to clarify the previous Post about the listed GM Performance Engine. It is intended to be a direct replacement for the Small Block that was used in the 1996-1999 GM Trucks and SUVs. It makes 340 HP at 4500 RPM and 435 ft/lbs TQ at 4000 RPM. I want to install one in my wife's 1999 Chevy, 1/2 ton, 2wd Suburban Is the stock 4L60-E transmission strong enough to handle that much power and torque? I have a plan made for upgrading the brakes, as well.

  5. #5

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    That really depends on how you plan on using the Suburban, if its a daily driver intended to pull a car trailer once in a while or the boat or camper on the weekends then it should be fine.
    If you plan on heavy loads all the time or want to drive it like a couple ton racecar then no you need to upgrade to a 4l80e.
    But also consider if your present engine is tired enough that it requires replacement whats the condition of the trans? Its been behind that engine for every mile on the odometer. How its been treated and maintained will reflect in how long it survives behind the new engine.

  6. #6
    Jr. Mechanic dfhollums's Avatar
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    Default

    Thanks for the reply and the advice. My wife is the main driver of the Sub. it only has 160,000, and is mainly used for local runs, but we do use it for an occasional long distant journey. The truck is ingreat shape mechanically and I do my best to take care of it.

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