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Hunting-idle problem fix.


Race clutches pose some extra challenges. To ensure a smooth and stable idle, engine speed must be increased and the ECU calibration must be able to compensate. But what does one do when the ECU hunts for the proper idle speed? How do you solve that issue? Find out how you can make quick work of these problems and see how simple it can be to come up with a plan to diagnose and fix the issue.

Tuning Tricks & Tips

Air-Fuel Ratio tUNING tIPS

Looking to go forced induction on your LSx?


If you're thinking about fitting a power-adder to your LS engine, or perhaps you already have, you may have heard of the custom operating systems available for the factory ECU by HP Tuners. Converting your current setup is quick, easy and painless. If you are considering forced induction, click the link to see how 2 minutes of your time can get you a 2-Bar SD OS ready to tune... 

Archives:



PRE-IGNITION & DETONATION: What's the difference between pre-ignition, detonation, knock and pinging? The differences are significant and we'll tell you what they are and how to set up and tune your engine so that you can avoid these nasty little combustion events. Read...


IGNITION SYSTEM OPERATION: To become a better tuner, you must have a thorough understanding of how modern computer-controlled ignition systems work and what you can do to tune your engine for more power and efficiency.  Get in on this so that you can make your ride as fast and efficient as your mad new skills. Read...


IDLE TUNING: GM GEN III LSX - How-to Videos - If you have installed a mild cam in your Gen III LSx engine and need some help getting the EFI system dialed in, here's just what you need: A How-To series of videos, each under 4 minutes, that shows you how to tune your engine and EFI setup using HP Tuners software. Total running time to watch all videos is under 20 minutes. That'll make you a quick study! Grab some popcorn and get crackin'! Read...


LS Big Cam Idle Tuning


What AFR should your engine run at WOT? Here are some great tips...


We speak to Kevin Wheeler at KMW Motorsports to find out what he does when tuning fuel to see what it takes to win multiple trophies and championships. And of course, we offer a few good rules-of-thumb as well...

Having trouble tuning? Maybe it's a sensor...


In order to do its job correctly, the EFI system requires sensor inputs to determine environmental and operational conditions. Without accurate and reliable signal integrity, the EFI system may not perform up to par, or your tuning efforts may be for naught. Click the link to learn more about sensor signals and solving sensor signal issues.