I'm sure this has been asked way too many times but I've looked and looked but for some reason I'm having a problem locating a web site that will tell me information about my specific Gen IV 6.0 motor. I believe it's a crate motor. At least that's what I was told.

Right now all I know is the following:
Gen IV 6.0 iron block with casting number of 12576181
Aluminum heads with casting number of 823

My best guess is that the motor is an LY6 but I don't know how to confirm this.

I'm wanting to know specifics like piston's, compression, head combustion chamber (68cc?? 71cc?), intake runner volume? Type and size of valve and what ever else might be useful.

I've located several sites that listed some of the old school SBC's but I'm having lots of trouble locating a web site that offers info on Gen III/IV ls/vortec blocks and heads.


What sites are you guys using for this type of thing?

The block casting number I located was on the passengers side back wall. The same wall that is closest to the firewall where the block bolts up to the tranny housing. Are there any other numbers on the block that offer information that I should be looking for?

Thanks,

Roach

 

2010 Vortec 6.0L V-8 VVT ( L96 ) 6/5/2009
Description: 6.0L Gen IV V-8 Small Block
Type: V-8
Displacement: 5967cc (364 ci)
Engine Orientation Longitudinal
Compression ratio: 9.6:1
Valve configuration: Overhead valves
Valves per cylinder 2
Assembly site: Romulus, MI
St. Catharines, On
Silao, MX
Valve lifters: Hydraulic roller
Firing order: 1 - 8 - 7 - 2 - 6 - 5 - 4 - 3
Bore x stroke: 101.6 x 92 mm
Bore Center (mm) 111.76
Fuel system: Sequential fuel injection
Fuel type: Applications:
Regular unleaded Chevrolet Silverado HD, Chevrolet Suburban, GMC Sierra HD, GMC Yukon XL
Regular unleaded Chevrolet Express ( Cutaway ), GMC Savana ( Cutaway )
E85 Flex Fuel Chevrolet Express ( Passenger,Cargo ), GMC Savana ( Passenger,Cargo )
Engine Mass TBD
Applications: Horsepower: hp ( kW )
Chevrolet Silverado HD < 10,000 lbs 360 hp ( 268 kW ) @ 5400 rpm SAE CERTIFIED
GMC Sierra HD < 10,000 lbs 360 hp ( 268 kW ) @ 5400 rpm SAE CERTIFIED
Chevrolet Silverado HD > 10,000 lbs 322 hp ( 240 kW ) @ 4400 rpm SAE CERTIFIED
GMC Sierra HD > 10,000 lbs 322 hp ( 240 kW ) @ 4400 rpm SAE CERTIFIED
Chevrolet Suburban HD 352 hp ( 262 kW ) @ 5400 rpm SAE CERTIFIED
GMC Yukon XL 352 hp ( 262 kW ) @ 5400 rpm SAE CERTIFIED
Chevrolet Express 323 hp ( 241 kW ) @ 4600 rpm SAE CERTIFIED
GMC Savana 323 hp ( 241 kW ) @ 4600 rpm SAE CERTIFIED
Applications: Torque: lb-ft ( Nm )
Chevrolet Silverado HD < 10,000 lbs 380 lb-ft ( 515 Nm ) @ 4200 rpm SAE CERTIFIED
GMC Sierra HD < 10,000 lbs 380 lb-ft ( 515 Nm ) @ 4200 rpm SAE CERTIFIED
Chevrolet Silverado HD > 10,000 lbs 380 lb-ft ( 515 Nm ) @ 4200 rpm SAE CERTIFIED
GMC Sierra HD > 10,000 lbs 380 lb-ft ( 515 Nm ) @ 4200 rpm SAE CERTIFIED
Chevrolet Suburban HD 382 lb-ft ( 518 Nm ) @ 4200 rpm SAE CERTIFIED
GMC Yukon XL 382 lb-ft ( 518 Nm ) @ 4200 rpm SAE CERTIFIED
Chevrolet Express 373 lb-ft ( 506 Nm ) @ 4400 rpm SAE CERTIFIED
GMC Savana 373 lb-ft ( 506 Nm ) @ 4400 rpm SAE CERTIFIED
Maximum Engine Speed: Silverado, Sierra, Suburban, Yukon XL = 6000 rpm Express, Savana = 5600 rpm
Emissions controls: Catalytic converter
Three-way catalyst
Positive crankcase ventilation
MATERIALS
Block: Cast iron
Cylinder head: Cast aluminum
Intake manifold: Composite
Exhaust manifold: Cast nodular iron
Main bearing caps: Powder metal
Crankshaft: Cast nodular iron with undercut and rolled fillets
Camshaft: Hollow steel
Connecting rods: Powder metal
Additional features: Electronic throttle control
E85 Flex Fuel
Extended life accessory drive belt
Extended life coolant
Extended life spark plugs
Oil Life Monitor System
Variable valve timing ( VVT

 

Quote:

Originally Posted by Jrp1978

2010 Vortec 6.0L V-8 VVT ( L96 ) 6/5/2009
Description: 6.0L Gen IV V-8 Small Block
Type: V-8
Displacement: 5967cc (364 ci)
Engine Orientation Longitudinal
Compression ratio: 9.6:1
Valve configuration: Overhead valves
Valves per cylinder 2
Assembly site: Romulus, MI
St. Catharines, On
Silao, MX
Valve lifters: Hydraulic roller
Firing order: 1 - 8 - 7 - 2 - 6 - 5 - 4 - 3
Bore x stroke: 101.6 x 92 mm
Bore Center (mm) 111.76
Fuel system: Sequential fuel injection
Fuel type: Applications:
Regular unleaded Chevrolet Silverado HD, Chevrolet Suburban, GMC Sierra HD, GMC Yukon XL
Regular unleaded Chevrolet Express ( Cutaway ), GMC Savana ( Cutaway )
E85 Flex Fuel Chevrolet Express ( Passenger,Cargo ), GMC Savana ( Passenger,Cargo )
Engine Mass TBD
Applications: Horsepower: hp ( kW )
Chevrolet Silverado HD < 10,000 lbs 360 hp ( 268 kW ) @ 5400 rpm SAE CERTIFIED
GMC Sierra HD < 10,000 lbs 360 hp ( 268 kW ) @ 5400 rpm SAE CERTIFIED
Chevrolet Silverado HD > 10,000 lbs 322 hp ( 240 kW ) @ 4400 rpm SAE CERTIFIED
GMC Sierra HD > 10,000 lbs 322 hp ( 240 kW ) @ 4400 rpm SAE CERTIFIED
Chevrolet Suburban HD 352 hp ( 262 kW ) @ 5400 rpm SAE CERTIFIED
GMC Yukon XL 352 hp ( 262 kW ) @ 5400 rpm SAE CERTIFIED
Chevrolet Express 323 hp ( 241 kW ) @ 4600 rpm SAE CERTIFIED
GMC Savana 323 hp ( 241 kW ) @ 4600 rpm SAE CERTIFIED
Applications: Torque: lb-ft ( Nm )
Chevrolet Silverado HD < 10,000 lbs 380 lb-ft ( 515 Nm ) @ 4200 rpm SAE CERTIFIED
GMC Sierra HD < 10,000 lbs 380 lb-ft ( 515 Nm ) @ 4200 rpm SAE CERTIFIED
Chevrolet Silverado HD > 10,000 lbs 380 lb-ft ( 515 Nm ) @ 4200 rpm SAE CERTIFIED
GMC Sierra HD > 10,000 lbs 380 lb-ft ( 515 Nm ) @ 4200 rpm SAE CERTIFIED
Chevrolet Suburban HD 382 lb-ft ( 518 Nm ) @ 4200 rpm SAE CERTIFIED
GMC Yukon XL 382 lb-ft ( 518 Nm ) @ 4200 rpm SAE CERTIFIED
Chevrolet Express 373 lb-ft ( 506 Nm ) @ 4400 rpm SAE CERTIFIED
GMC Savana 373 lb-ft ( 506 Nm ) @ 4400 rpm SAE CERTIFIED
Maximum Engine Speed: Silverado, Sierra, Suburban, Yukon XL = 6000 rpm Express, Savana = 5600 rpm
Emissions controls: Catalytic converter
Three-way catalyst
Positive crankcase ventilation
MATERIALS
Block: Cast iron
Cylinder head: Cast aluminum
Intake manifold: Composite
Exhaust manifold: Cast nodular iron
Main bearing caps: Powder metal
Crankshaft: Cast nodular iron with undercut and rolled fillets
Camshaft: Hollow steel
Connecting rods: Powder metal
Additional features: Electronic throttle control
E85 Flex Fuel
Extended life accessory drive belt
Extended life coolant
Extended life spark plugs
Oil Life Monitor System
Variable valve timing ( VVT

That's great of you to post all that information but it's like I said already......I don't know which version of the 6.0 Gen IV motor I have... I suspect it's an LY6 but that is only an educated guess based on several things I know about this particular motor. As you can see by the information listed above the motor came in many different vehicles which all cite varying amounts of power and torque values...So again does any body know a web sight that lists the various applications based on casting numbers or any other means of identifying which specific application that this Gen IV 6.0 iron block? Sorry if I'm confusing things. I'm not as familiar with these motors as I am with a few others.