Are all LS exhaust ports the same?

All LS1, LS6 and LS2 heads feature tallcathedral-style intake ports. The LS7, L92 and LS3 heads feature rectangular intake ports. The LS7 heads however, feature CNC-machined chambers, intake ports and exhaust ports. All LS cylinder heads, with the exception of the LS7 heads, are interchangeable among blocks.

What LS heads are Cathedral Port?

Cathedral port heads came on the original (Gen III) LS1, but were also used on the performance-oriented LS2 and LS6 versions. Cathedral port heads were bolted on literally millions of truck variants, which included (among others) the 4.8L LR4, the 5.3L LM7, and 6.0L LQ4.

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.

Are LS heads reversible?

They are reversible. They’re all the same… Just swap your temp sender to the other side. You’ll also need to make sure the plugs in the ends of the heads are on the front.

How much HP can a LS2 handle?

They can handle about 800 hp and 6,500 rpm in boosted applications. If you’re getting forged pistons, you should upgrade to forged connecting rods at the same time. Even though it’s cast, the crankshaft can handle about 900 hp and 7,000 rpm (for a limited time).

When did the GM LS2 engine come out?

The engine specs and information listed here is for the stock LS2 used in GM passenger cars from 2005-2007. Mechanically similar, General Motors’ LS and LS-based Vortec engines wound up on almost every branch of the GM family tree: Chevy, Pontiac, GMC, Cadillac, Buick—heck, even Saab, Hummer, and Isuzu got some LS love.

What’s the compression ratio on a GM LS2?

Cylinder Head Design: the LS2 cylinder heads are almost identical to what was used on the LS6 engine, right down the “243” stamp in the castings. Both have the same 65cc combustion chambers and Cathedral intake ports. Though, the LS2 gets a further compression ratio bump, now up to 10.9:1

What kind of camshaft does a GM LS2 have?

Camshaft Design: also rotating inside the engine block is a hydraulic roller-lifter camshaft, however, while the LS2 pulls many design cues from the LS6 before, the LS2 features a notably less aggressive cam profile, with less lift and duration, with comparable LSA. The LS2 camshaft’s specifications lift include: 0.520/0.521-intake/exhaust lift

How big is the LS2 engine in a corvette?

That engine displaced 7.5 liters (455 cubic-inches) and featured an engine design that was bespoke to Pontiac, and is therefore not related to this fourth-gen LS2. The 6.0L LS2 engine debuted in the 2005 Chevrolet Corvette C6, and was also immediately placed into several other General Motors products for the 2005 model year.