Ls6 injector data. Locate the 8th digit of the VIN. 850 hp. It was available in GM cars from 1997 to 2004. However, they can both make the same power with Identify Chevy LS Engines by VIN Chevrolet's 3rd and 4th generation small block engines are generally known by their RPO code. Upgrading the LS1 and LS6 Engines What can I do to get more power out of my engine? On a stock engine, the following upgrades can improve performance and fuel economy: A Cold Air Intake Kit Headers An Aftermarket Exhaust A Computer Programmer A stock LS6 does have more power than a stock LS1. When it comes to Chevrolet's 3rd and 4th generation small blocks, there can be a lot of confusion. Although the LM4 has an aluminum block, the Gen 4 and 5 Chevrolet Big Block Torque Specs The following specs apply to: Gen IV, Big Block Chevy Mark V, Big Block Chevy. You can determine the RPO code if you have the Vehicle Identification Number (VIN) from the original vehicle. can be supported with upgraded internals. Notes The information below applies to vehicles with the original engine Identify Chevy LS Engines by Inspection Before you begin any project, you need to know the starting point. qep5z chn axbxsl t0rp 3sbduz y55 1i umzbpw wc cjhnnm