LS Engine DIY

Do It Yourself LS Engines

The Best Cylinder Heads for your Gen IV LS-Engine

January 12, 2022 by LS Engine DiY

LS7, LS3, and LS9 Cylinder Heads Earlier Gen III LS heads, such as those found on LS1, LS6, and various Q Series truck engines, feature tall intake ports referred to as “cathedral” ports. The cathedral-roof shape at the top accommodates the fuel-injector path. The LS2 engine also features cathedral-port heads but is technically considered a […]

Filed Under: Gen IV LS-Series, LS Engine Tech Tips

How to Choose the Best Cam & Lifters for a Gen IV LS-Engine

December 15, 2021 by LS Engine DiY

How to Choose the Best Cam & Lifters for a Gen IV LS-Engine

Today’s performance aftermarket offers a wide selection of camshaft profiles for enhanced performance, from street-mild to all-out racing competition. While factory camshafts all utilize hydraulic roller lifters, the performance aftermarket offers lifter application in both hydraulic and solid designs. One very significant feature of the LS cam design is its cylinder firing order. While the […]

Filed Under: Gen IV LS-Series, LS Engine Tech Tips

The Best Intake Options for a Gen IV LS-Engine

November 23, 2021 by LS Engine DiY

The Best Intake Options for a Gen IV LS-Engine

EFI and Intake Manifolds The LS engine platform is versatile; as such, you have your choice of carburetion, central fuel injection, or multi-port injection. It all depends on the application and performance goals. The advantages of running a carburetor include lower cost and a more simplified system. Central injection, also called throttle body injection (TBI), […]

Filed Under: Gen IV LS-Series

Gen IV LS-Engines Explained

November 16, 2021 by LS Engine DiY

Gen IV LS-Engines Explained

LS Gen IV Engine Overview The LS engine family began with what GM refers to as the Gen III engine platform, which included the LS1 and LS6. The Gen IV family began with the LS2 and includes LS7, LS3, LS9, and L92. Although the LS2 engine shared the cathedral intake port head design that carried […]

Filed Under: Gen IV LS-Series

GM LT-Engine Transmission Options For Your Swap

October 7, 2021 by LS Engine DiY

GM LT Engine Transmission Options For Your Swap

The Gen V LT-series engine uses three specific transmissions from the factory: the 6-speed automatic, the 8-speed automatic, and the Tremec TR6060 6-speed manual. Thankfully, these factory offerings aren’t the only options. Like the LS platform before it, the Gen V LT-series engine uses the standard SBC bolt pattern for the transmission bellhousing, allow­ing swappers […]

Filed Under: LT Swaps, Transmissions for LT Swaps

How to Choose the Right Exhaust for your LS-Swapped Chevelle

September 28, 2021 by LS Engine DiY

How to Choose the Right Exhaust for your LS-Swapped Chevelle

Gen III/IV engines have the same basic requirements for their exhaust system as other automotive engines, but these high-performance engines have specific EFI system require­ments that must be met for the sys­tem to perform properly. The LS engine requires at least one oxygen sensor (as many as four), which must be placed a minimum of […]

Filed Under: LS Swaps

What is an LT-Engine: The Complete Guide to Understanding GM’s Marvel

September 21, 2021 by LS Engine DiY

What is an LT-Engine: The Complete Guide to Understanding GM's Marvel

Ever since the release of the original small-block Chevy in 1955, Chevrolet engines have been the king of all engine swaps. Some of this is due to the sheer production volume of these engines, but in modern times, aftermarket support and ease of installation has allowed Chevro­let to continue dominating the realm of engine swaps. […]

Filed Under: LS Engine Tech Tips

Gen IV LS Turbo Shootout! Choose the Best for Power

September 14, 2021 by LS Engine DiY

For maximum power production, it’s hard to beat boost from a turbo­charger. The cheap-date method for LS owners is to find a 5.3 truck engine in the junkyard then install a cam, springs, and turbo system. This combination has powered some seri­ous street machines, and the same philosophy can be applied to LS3 and LS7 […]

Filed Under: LS Engine Tech Tips

How to Choose the Best LS Gen IV Engine Block

August 17, 2021 by LS Engine DiY

How to Choose the Best LS Gen IV Block

Engine blocks in the LS family share similar characteristics, with deviations primarily based on cyl­inder bore size. One of the primary differences between Gen III and Gen IV blocks is the relocation of the camshaft position sensor, which was moved from the Gen III location at the rear top of the block to the timing […]

Filed Under: Gen IV LS-Series, LS Engine Tech Tips

How to Install a T56 Transmission in an LS-Swapped Chevelle

August 10, 2021 by LS Engine DiY

How to Install a T56 Transmission on a Chevelle

The 6-speed T56 manual is the most popular transmission used in LS engine swaps. Formerly offered on the 1998–2002 F-Body and GTO, the T56 bellhousing, flywheel, and clutch pack are readily available. The T56 transmission fits into most GM muscle cars, requiring only minor modifications to the transmission tunnel, if you set the engine for­ward […]

Filed Under: Transmissions for LS Swaps

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