What is an SB2 engine?

The SB2 – short for Small Block, Second Generation – is the first engine designed by General Motors specifically for NASCAR racing. It simplifies preparation for racing teams and reduces the overall cost of building and maintaining an engine.

What degree are SB2 heads?

The latest in trick small-block cylinder heads is the GM Performance Parts SB2. 2 ROX that is similar to the SB2. 2 design with an 11-degree valve angle that’s tipped 4 degrees like a Rat motor.

Can you put SB2 heads on standard block?

Registered. You can use a standard block, but you need to run a lifter with one cup in each of the pairs offset, the same as what you use in an 18 degree engine. You can use double offset as well, but it puts more stress on the lifter tie bars.

What motor does Ford use in Nascar?

FR9 Ford
With the recent introduction of the specially built FR9 Ford NASCAR engine, Roush Yates Engines, the sole supplier of Ford NASCAR engines for the three top series, now has a surplus of Windsor-based 358-inch engines, which you can purchase through RYPP.

What is the difference between 18 and 23 degree heads?

The 18 degree heads are also taller than their 23 degree cousins, and require longer valves and special head studs. Eighteen degree pistons with domes and valve reliefs matched to the combustion chamber shape and valve locations are needed.

Can you put LS heads on SBC?

Just to be clear: You can’t bolt LS heads on a Chevy small-block. You can’t even do it on one of World’s regular Motown blocks. With the block designed to use LS heads and LS lifter positions, the engine must also be capable of accommodating an LS valvetrain.

What are SB2 2 heads?

The Chevrolet Performance SB2. 2 heads are purpose-built race cylinder heads for the small-block Chevy, most famous for their NASCAR success. These are filled with 2.18/1.60-inch titanium valves from Del West, along with Manley springs delivering 250/600 pounds of spring load.

Why did Dodge quit NASCAR?

Despite designing a Gen-6 car, Dodge stepped away from the sport after Brad Keselowski’s 2012 championship. The American automaker pulled its support, unable to find a flagship team to replace the departing Penske Racing.

Why did we go with the sb2.2 engine?

We Chose To Go Right To The SB2.2 Style Head As It’s Proven Valvetrain Stability And Broad Torque Curve Make It Far Superior To Any 13/15/18° Style Head. We Commissioned M&M To Supply Us With A 900HP Cylinder Head And Intake Package And The Rest As The Say Is History!! Why Buy A Carburetor From Us?

When did the Chevy sb2.2 head come out?

“It’s been a secret weapon on the street,” says Shafiroff of the SB2.2 head, which is an updated version of Chevy’s original outlaw cylinder head designed for NASCAR in the mid-1990s. Released as the SB2, the cylinder head was first rejected by the sanctioning body, then allowed for Winston Cup competition in 1998.

Which is better small block or sb2.2?

All Of Our Small Block Customers Have Been Asking For A Reliable And Affordable Big Power Combination. We Chose To Go Right To The SB2.2 Style Head As It’s Proven Valvetrain Stability And Broad Torque Curve Make It Far Superior To Any 13/15/18° Style Head.

How is the sb2.2 valvetrain geometry determined?

The block is machined to provide optimum lifter angles for the SB2.2 valvetrain geometry. “The secret is in the manifold design,” he stresses. “With EFI you change a lot of the parameters.