![]() New to tuning? Get the full Starter Package here instead which covers the process right from the start assuming you know nothing leaving no margin for error or confusion. In the past, your choices were fumbling with the factory wiring harness and ECU, or using the stock ECU combined with a more functional aftermarket ECU, or spending over 2,000 for a complete retrofit laptop-tunable aftermarket ECU system. ![]() This means that if you’re tuning a Caddy/Cadillac/ Chevrolet/Chevy/Holden/HSV/General Motors L98, LR4, LM4/LM7, LS1, LS6, LQ4, LQ9, L76, L99, LS2, LS3, L94, LSA, LS9, or LS7 engine this worked example will also be very helpful to you with the same fundamental tuning process required for these engines across a few more tables. These often don’t work with stock ECUs, so your best bet is to weld in a second bung for the wideband. Proven Track Record Of Successful Builds and Tunes. However, there’s a good chance you will want to add a wideband O2 sensor at some point, in order to give the MegaSquirt more tuning information. is a Platform For the LSX / LTX Community For Performance Tuning. How to understand which tables the ECU is using at any time and how they work Oxygen sensor: It’s perfectly OK to share narrow band oxygen sensors with the stock ECU. Think about this, you wont see a b20 blow up due to running on stock LS fuel maps. How to calibrate fuel and ignition tables Cost is going to be 80 for used dist, 70 for ebay jumper harness, 10 to junkyard to cut off obd1 engine harness dist plugs, 70 for new 4wire o2, 60 for P06 + 30-50 to have someone chip it for you. How to tune aggressive aftermarket cams in an LS V8 platform How GM Gen III/IV ECUs are laid out in HP Tuners This example will be relevant to a broad range of GM engines as it covers: ![]() A performance cam (aggressive) tuning example is also part of the curriculum. The Practical Reflash Tuning Course contains a full 6 step worked example filmed using HP Tuners on a LS engine teaching both 'MAF' and 'MAFless' methods of tuning via injection scaling and Speed Density Principle examples. The intuitive tuning interface and powerful datalogger are modelled to be familiar to experienced professional tuners while providing. What to learn how to tune a GM LS V8 ECU? RomRaider is a free, open source tuning suite created for viewing, logging and tuning of modern Subaru Engine Control Units and some older Nissan and BMW M3 (MS41/42/43) DME. ![]()
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