Topping off the engine is a thermoplastic composite intake manifold intended to reduce weight and lower inlet air temperatures.įurthermore, with the removal of the distributor, the ignition is now controlled by the ECU, firing a set of eight coils mounted near the spark plugs.
Further advancements compared to previous generation small block V8’s was the change from distributor ignition to coil-near-plug design, offering much more precise ignition timing using computers. For those lucky enough to have the LS1 in their cars, the blocks were made of aluminum, while the truck and van versions were cast iron.Įven the aluminum blocks for this generation of motor offered nearly the same strength as the older Gen I/Gen II iron blocks. Little did GM expect for the LS1 has become a legend in its own time, offering impressive “out of the box” performance for the physically compact package. It was introduced in 1995 as the “GEN III” engine and it only shared rod bearings, lifters, and bore spacing with its predecessors (which was in production 1955 until 2003). The LS1 is the spiritual successor to the “small block V8” that GM uses in rear-wheel-drive cars, trucks, and vans. In this article, we’ll be walking through the history of the LS1, some general technical specifications as well as provide some further insight into notable vehicles and/or records that the LS1 has been able to collect over the years. These are relatively inexpensive and robust platforms to build excellent street/strip engines from.
#COMPRESSION RATIO CALCULATOR LS SERIES#
When people talk about V8’s, especially in the domestic world, the LS series of engines always come to mind. 1997-2004 Chevrolet LS6 Engine Ultimate Guide
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