Page 28 of 2009 Performance Parts by GM Parts Direct

crate engines small-block ht383e crate engines small-block 17800393 a high-torque direct replacement for 1996-99 gm full size trucks and suvs if the 350 engine in your 1996-1999 full size gm truck or suv is getting tired gm performance parts ht383e crate engine is a great emissionslegal direct replacement with loads of torque its larger displacement delivers more usable torque for effortless towing which may just save you some gas too the ht383e is uniquely designed to replace the l31 5.7-liter engine in half-ton models of the silverado suburban tahoe sierra and yukon simply swap the intake manifold throttle body exhaust manifolds and other accessories from your old 350 onto the ht383e and install it in your truck with no further modifications with a sturdy four-bolt main block a forged steel crankshaft a smooth roller camshaft and durable iron vortec heads the ht383e delivers the dependable power you expect from the venerable small-block v-8 it even comes with a new distributor water pump and other components that would be replaced during a rebuild breathe new life into your trusted truck with the ht383e greater torque enhanced towing better alternative to a rebuild includes all new parts installation notes · requires the reuse of the stock intake manifold wiring harness and fuel injection system · due to calibration variances between half three-quarter and one-ton vehicles this engine is designed for half-ton trucks and suvs only · this engine is not emissions-legal in ca ct me ma nj ny ri or vt · comes with 12.75-inch externally balanced 153-tooth automatic transmission flexplate requires externally balanced flywheel for manual transmission see chart on page 175 · has right-side dipstick · not available as a partial · performance recalibration of ecu will significantly increase torque and horsepower ht383e dyno chart possible applications give your 96 99 silverado a new lease on life the ideal crate engine for an suv that sees a lot of towing it looks just like the stocker until you stomp it applications have not been validated they are merely suggestions of how you might enjoy your gm performance parts crate engine some applications may affect engine warranty see page 352 for specific warranty information some applications may not be emission-legal check state and local ordinances ht383e tech specs part number 17800393 engine type chevy small-block v-8 displacement cu in 383 bore x stroke in 4.00 x 3.80 block p/n 88962516 cast-iron with 4-bolt main caps crankshaft p/n 12489436 4340 forged steel connecting rods p/n 12497624 heavy-duty pm steel pistons p/n 12499103 hypereutectic aluminum camshaft type p/n 14097395 hydraulic roller camshaft lift in .431 intake .451 exhaust camshaft duration 050 in cylinder heads p/n 12558060 valve size in compression ratio rocker arms p/n 10089648 rocker arm ratio water pump p/n 88894341 recommended fuel maximum recommended rpm balanced 196° intake 206° exhaust vortec iron 64cc chambers 1.94 intake 1.50 exhaust 9.1:1 stamped steel 1.5:1 cast-iron 87 octane 5000 external note distributor with melonized steel gear must be used with long blocks and partial engines with steel camshafts or engine damage will occur available for purchase online at gmperformanceparts.com gm performance parts crate engines include a 24-month or 50,000-mile/80,000-kilometer limited warranty gm performance parts does not utilize any used or remanufactured parts in this crate engine for a complete list of parts to complement and finish this engine turn to page 56 buy online at www.gmperformanceparts.com 53 52 buy online at www.gmperformanceparts.com

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