With innovation came other changes. The LS2 intake and throttle body are significantly different from previous GM LS1 offerings. While the '04 GTO LS1 engine carried an LS6 intake manifold and ...

GM has issued special coverage to certain units of the 2021 Chevy Colorado with the LWN diesel engine for a throttle body issue that requires replacement.

Check out these First Generation 1996-1998 GM Vortec fuel-injected 350 Engine Power Upgrades, including exhaust, throttle body, and more, at Sport Truck Magazine.

Throttle-body injection adapts readily to any four-barrel intake, it's easy to find parts for, and most any shop that knows GM TBI fuel injection can tune it.

The GM throttle body and manifold assembly looks a lot like a carb setup. On this throttle body, the injectors alternate so that each injector opens every other time a spark plug fires.

This 6061-T6 billet aluminum Silver Bullet throttle-body spacer from aFe Power is said to add 8hp to 2014 5.3L GM V8s and up to 12 lbs./ft. of torque. The serrated/helix design lengthens the ...