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Fast92RS · 11-23-2007, 10:05 AM

Here is the page from GM Performance catalog.

A souped up 5.3 that is ready and willing to deliver
Continuing the tradition of great small-block V-8 engines, the 5.3L LS engine has been one of the most popular
we’ve ever built. It’s been installed in millions of GM-built pickups, work trucks, vans, and SUVs. But, leave it to the
GM Performance Parts engineers to go one step further and upgrade the 5.3L LS. The result is a High Output 5.3 that
is just as capable serving as a workhorse—it’s just a little bit more fun.
We started with the base engine—the tough, proven, and dependable 5.3L engine. It’s the same long-lived production
engine that you’ll find in our award winning full-sized truck and SUV line. The stock 5.3 offers a dependable 295 horsepower
and 325 lb.-ft. of torque from the 96mm bore by 92mm stroke engine design.
What makes our 5.3 High Output crate engine so special is that our engineers added a GM Performance Parts custom
cam and Grafal-coated pistons. With these simple upgrades, the 5.3 HO kicks out 332 horsepower and 352 lb.-ft. of
torque. And, just like the stock 5.3, the 5.3 HO is capable of thousands of miles of dependable service while returning
outstanding fuel mileage, thanks to the superior design of the LS Family of engines.
Try the 5.3 HO crate engine by GM Performance Parts. Your truck will thank you!
GM Performance Parts does not utilize any used or
remanufactured parts in this crate engine.
GM Performance Parts Crate Engines include a
24-month or 50,000-mile limited warranty.
5.3HO TECH SPECS:
Part Number: 19165628
Engine type: LS Series small-block V-8
Displacement (cu in): 323 (5.3L)
Bore x stroke (in): 3.18 x 3.62 (96 x 92mm)
Block (P/N 12551360): Cast-iron with 6-bolt,
cross bolted iron main caps
Crankshaft (P/N 12553480): Nodular iron
Connecting rods (P/N 12568734): Powdered metal steel
Pistons (P/N 12571545): Hypereutectic aluminum
Camshaft type (P/N 12561721): Hydraulic roller
Camshaft lift (in): .467 intake / .479 exhaust
Camshaft duration (@.050 in): 196° intake / 201° exhaust
Cylinder heads (P/N 12559865): Aluminum; cathedral port
Valve size (in): 1.89 intake / 1.55 exhaust
Compression ratio: 9.5:1
Rocker arms (P/N 10214664): Investment cast, roller trunnion
Rocker arm ratio: 1.7:1
Recommended fuel: 87 octane
Maximum recommended rpm: 6000
Reluctor wheel: 24X
Balanced: Internal

Give your work truck a workout
Get your late model SUV back up and running
Install a juiced-up 5.3 into something special

11-23-2007, 10:05 AM	#11
Fast92RS Power Member Join Date: Jul 2006 Location: Old Bridge, NJ Posts: 2,415 iTrader: (13)	Here is the page from GM Performance catalog. A souped up 5.3 that is ready and willing to deliver Continuing the tradition of great small-block V-8 engines, the 5.3L LS engine has been one of the most popular we’ve ever built. It’s been installed in millions of GM-built pickups, work trucks, vans, and SUVs. But, leave it to the GM Performance Parts engineers to go one step further and upgrade the 5.3L LS. The result is a High Output 5.3 that is just as capable serving as a workhorse—it’s just a little bit more fun. We started with the base engine—the tough, proven, and dependable 5.3L engine. It’s the same long-lived production engine that you’ll find in our award winning full-sized truck and SUV line. The stock 5.3 offers a dependable 295 horsepower and 325 lb.-ft. of torque from the 96mm bore by 92mm stroke engine design. What makes our 5.3 High Output crate engine so special is that our engineers added a GM Performance Parts custom cam and Grafal-coated pistons. With these simple upgrades, the 5.3 HO kicks out 332 horsepower and 352 lb.-ft. of torque. And, just like the stock 5.3, the 5.3 HO is capable of thousands of miles of dependable service while returning outstanding fuel mileage, thanks to the superior design of the LS Family of engines. Try the 5.3 HO crate engine by GM Performance Parts. Your truck will thank you! GM Performance Parts does not utilize any used or remanufactured parts in this crate engine. GM Performance Parts Crate Engines include a 24-month or 50,000-mile limited warranty. 5.3HO TECH SPECS: Part Number: 19165628 Engine type: LS Series small-block V-8 Displacement (cu in): 323 (5.3L) Bore x stroke (in): 3.18 x 3.62 (96 x 92mm) Block (P/N 12551360): Cast-iron with 6-bolt, cross bolted iron main caps Crankshaft (P/N 12553480): Nodular iron Connecting rods (P/N 12568734): Powdered metal steel Pistons (P/N 12571545): Hypereutectic aluminum Camshaft type (P/N 12561721): Hydraulic roller Camshaft lift (in): .467 intake / .479 exhaust Camshaft duration (@.050 in): 196° intake / 201° exhaust Cylinder heads (P/N 12559865): Aluminum; cathedral port Valve size (in): 1.89 intake / 1.55 exhaust Compression ratio: 9.5:1 Rocker arms (P/N 10214664): Investment cast, roller trunnion Rocker arm ratio: 1.7:1 Recommended fuel: 87 octane Maximum recommended rpm: 6000 Reluctor wheel: 24X Balanced: Internal Give your work truck a workout Get your late model SUV back up and running Install a juiced-up 5.3 into something special __________________ 2013 Camaro ZL1 https://kraeserepairs.com Last edited by Fast92RS; 11-23-2007 at 10:05 AM.