In the hierarchy of the LS engine family, one designation stands above the rest: LS7. We know the LS9 makes more power and (numerically speaking) was two better than the seven, but it took forced ...

No one around the shop could remember the last time we ran our 302 dyno mule, but it must have been five years ago. Fitted with a fresh set of AFR cylinder heads, the little beast started right up and ...

OBJECTIVE: Wet flow, pressure excursions, port volume, runner length, plenum volume—all these figure into an engine's overall efficiency. But there's more… Sometimes theory is neat, but sometimes it ...

If you want to understand how engines work, it's important to realize the part the intake manifold plays in the grand power scheme. The basic job of the intake manifold is to route fuel and air in ...

A service update has been issued for certain 2021 model-year GM trucks and SUVs over an issue related to the vehicles’ engine manifold pressure sensor. The problem: affected GM trucks and SUVs may ...

Intake manifolds may not be the most well-known automotive components, but that doesn't take away from their importance. These devices are responsible for sending a precise mixture of fuel and air to ...