Is the L76 and LS2 the same?

The L76 was an adapted version of the LS2. It used new rectangle port cylinder heads. It was also upgraded with Active Fuel Management (AFM) .

What heads came on the L76?

The L76—like its LS2 sibling—is a 6.0L, Gen. 4, aluminum small block engine that was used both in GM cars and trucks. The L76 is an adapted version of the LS2, featuring new rectangle port cylinder heads and Active Fuel Management (AFM)….L76 (Car) Engine Blocks.

Can you put LS3 heads on a LS2?

The LS3 motors featured a 4.065 bore, but their cylinder heads would fit the 4.0-inch bore LS2 and iron LQ 6.0L truck motors.

What engine has 823 heads?

GM LS3
GM LS3 Heads, 823 Castings – Fully CNC’d, Bare | Borowski Race Engines.

Is L77 an LS2?

L98/L76/L77 Introduced in 2006, the L98 and L76 are 6.0-litre variants of the LS2. The L76 was used in February 2006-on VZ and VE (auto only) Holden Commodores, Statesmans and Caprices (WL and WM models). The L77 debuted in the Series II VE Commodores for both automatic and manual transmission choices.

How can you tell LS2 from L98?

The main difference with engines as stated is the LS2 has a better cam ect, but the L98 uses the LS7’s heads without the CNC porting or Sodium filed valves, and uses the much better manifold (LS7)that suits the heads.

Is L77 a LS2?

What’s the difference between L77 and LS2?

L77 was an upgraded L76 with different cam and lifters. LS2 was a Gen IV block with Gen III heads.

Are LS3 heads better than LS2?

But, the most obvious difference between the two is the displacement. The LS2 has 6.0L of displacement, and is technically was the first Gen IV Chevrolet engine. The LS3, on the other hand, has 6.2L of displacement and is also Gen IV Chevrolet engine. To no one’s surprise, the LS3 heads are better than the LS2 heads.

Are L98 and LS3 heads the same?

The L98 cylinder heads are similar to the LS3 heads except they used a heavier solid stem intake valve. The stock heads can be CNC-ported for more airflow.

What LS heads flow the best?

See all 18 photos After all the measurements were taken, each head was placed on the flow bench for flow data. Not surprisingly, the 799 heads flowed the most, with a peak flow of 250.2 cfm at 0.700-inch lift. The 706 heads offered the lowest peak flow, checking in with a maximum of 237.1 cfm.

Are 706 heads better than 862?

The 706Vortec heads are even slightly superior to the commonly found 862 heads. The reason is that the 706 heads are SPM (semi-permanent mold) made, while the 862 heads are sand cast. The SPM method is considered to be a more consistent process, but once you port the 862 head, any difference to the 706 head goes away.

Is the LS2 cylinder head the same as the L76?

The cylinder heads are great too! The LS2 used the same cathedral port heads as the LS6 . The L76 and L77 used the same rectangle port heads as the LY6 and L96 and L92 and L9H ..

What kind of engine does a GM L76 have?

The L76 is a Gen IV, 6.0L, aluminum block, car engine which came under the hoods of GM performance sedans between 2006 and 2010. In some ways, it bridged the gap between the LS2 and the LS3. It used the same block as the LS2, but had rectangle port heads similar to the LS3.

Are there any upgrades for the LS2 engine?

On a stock engine, the following upgrades can improve performance and fuel economy: Below are more upgrades that will improve the performance of the LS2, L76, L98, and L77 engines. These engines share a 4.000 in. bore diameter. The cylinders can be bored to 4.030 in. However, we recommended leaving them as thick as possible when running boost.

What is the casting number on a L76 engine?

The aluminum block is cast with 6.0 on the back right-hand side and it has a casting number 12568952. The cylinder heads will have either the 5364 or 823 casting numbers. If you have an L76 and are on the hunt for the best mods, you’re in the right place.