This product is not legal for sale or use on California pollution-controlled motor vehicles. The manifold, designed by John Lingenfelter, produces excellent power from 2000 to 6500 RPM, has optimized runners for precise air delivery and correct air distribution, and will fit standard production 23 degree small block Chevy cylinder heads, as well as LT1 and Vortec L31 truck cylinder heads. The 58mm high-flow billet Throttle Body is capable of air flow up to 1000 CFM, and is a direct replacement for the factory Throttle Body. Application Part No. Software Selectable Ignition Compatibility eliminates the need to have your ECU modified by the factory because of ignition upgrades .
Less inventory needs to be stocked to cover applications.
Possibly more important, if your Gen VII controlled LT-1 is having troubles, there is a way to check if your Gen VII ECU is related to the troubles. Offers increased resolution and control. This vastly improves time needed to calibrate your Volumetric Efficiency map. Software Selectable Fuel Injection Modes. Sequential is only recommended if the Gen VII ECU is provided with a cam position signal.