In our last installment, we visited RaceKrafters Automotive Machine in Lancaster, PA to test the Edelbrock RPM Air-Gap LT1 Intake Manifold on ... stock heads' intake ports, causing air turbulence ...

In our April 2013 issue, we went one-on-one with the GM powertrain teams responsible for the new LT1 ... the intake manifold, which suspend the 126-lb/hr fuel injectors under the intake ports.

This family of small-block V-8s would continue to grow in both size and performance, culminating with the launch of Tuned Port Injection ... 16 Photos 16.The LT1 intake manifold, commonly referred ...

the LT1, we continue with hopefully answering the questions many of you have, breaking down every part of the fifth-generation small-block V8 piece by piece. Starting with the intake manifold, GM ...

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 ...

The biggest change one would expect would be a gain of upper end breathing (more HP) at the expense of lower end port ... vacuum tubing/fittings and coolant hose. The LT1 intake requires the ...