The 8.1 Vortec was GM's weapon against the 8.0-liter Dodge V10 and the 6.8-liter Ford V10 gasoline engines that emerged in the 90s. ... Intake Manifold Gasket Issues ; Lifter Tick ...

GM set out to make the Vortec 8100 a tough and resilient engine for folks looking to tow. It's based on the old-school Gen-VII Big Block and effectively is a 454 with a longer (4.37-inch) stroke.

This engine is known as the Vortec 6000 - a V8 member of GM's Gen IV small block engine family - and is featured a lot in big GM vehicles between 2010 and 2017.

The 5.3 Vortec engine is manufactured by the General Motors Company, also known as GMC. ... Intake manifold: $400 to $600 (≈1 week of salary time at $15/hour) Exhaust manifold: $200 to $400 (≈3.3 days ...

A modern engine design, including the Chevy 5.7L Vortec, is engineered to deliver more torque, horsepower, as well as engine response and improve fuel efficiency. It has an overhead valve ...

The throttle body into the intake manifold measures 87mm (3.43-inches) for the trucks and 90mm ... Gen IV Vortec motors for pickup trucks, consisted of the following engines: 6.0L V8 LY6; ...

The throttle body into the intake manifold measures 90mm (3.55-inches) in diamter. The manifold design used on later L98 engines is common to what is found on the LS3 V8 engine.

Now, the taller Vortec barrel-ram intake manifold and throttle body stay put, and the front drive setup remains nearly intact. See All 23 Photos.

This crate engine, part number 12677741, makes the torque-heavy, current Vortec version of the LS easier to swap in. The iron block, aluminum head engine is available with a crate engine kit. That ...