Testing by GM proved that at an ambient temperature of -35 degrees C, the time-based ignition would have a start time of approximately four seconds while the angle-based LT1 would fire in 1.5 seconds.

The LT1 cam features 200-/207-degree duration, 0.551- /0.524-inch lift, and a 116.5-degree lobe-separation angle. Its PN is 12629512. Like the Gen IV LS3, the Gen V LT1 cam starts with SAE 5150 ...

Complete information about the GM 6.2L LT1 V-8 engine, including detailed specifications, ... This allows the engine control module to adjust ignition timing with greater precision, ...

In our quest to modernize a 1987 IROC with an LT1, ... and included the wiring for the fuel pump control module that we are using so that ... We also suggest using a single ignition trigger ...