Revisions include direct injection to supplement the existing port fuel injection ... The reason is explained as "high intake manifold vacuum during some deceleration fuel shut off (DFSO) events ...

A stock LS3 rec-port ... manifold to the fuel-injection harness on the engine. These, like the fuel rail stub, pass through the wall of the intake manifold plenum and are sealed against vacuum ...

Let’s examine what an intake does ... assembly or intake manifold. You can locate it by popping your car’s hood and finding a boxy compartment near the throttle valve assembly. It looks very similar ...

Those are technically all true, but let’s walk that line of thinking back a bit by talking about a leaking or damaged intake manifold. Can there be too much? The answer is that though more air ...

To clarify, a completely different engine with the LT1 RPO Code was ... High-Flow Intake Manifold and Electronic Throttle: the Gen V’s intake manifold ports are designed to match cylinder ...

Remove the vehicle's air filter element during a tune-up, being careful not to drop dirt into the passage that leads to the engine's air intake. Inspect it carefully ... feed hose to a centrally ...

The Bullitt also comes with a pair of gauges up on the dash to display oil pressure, which is handy and reassuring, and intake manifold vacuum ... s combination of port and direct fuel injection.

This chapter continues to work its way downward through the engine, showing how to remove the valve springs, then the intake manifold, then the exhaust ... cylinder compression, and vacuum levels.

The C7's designers augmented this by tightly packing the engine compartment, using a compact low-rise intake manifold on the naturally aspirated LT1 V-8 ... to the exhaust ports, helping to ...

Depending on your flavor, one of these late-model engines could be an LS-variant, LT1 ... of NPT ports tapped into the bottom of the manifold allow for brake booster and ancillary vacuum hookups.

You will need to remove the EGR tube from the driver's side exhaust manifold and passenger side head. Then, disconnect all eight fuel injector connectors by simply unclipping them from the injectors.