Duramax tuner

Lantley wrote:
Yea I get it but once you stray away from the design parameters. Stuff happens!
You claim the extra heat is actually better, but if the entire system is not designed around the extra heat ultimately it's not better. It's a CEL and a headache.
A headache that those who like to tinker can handle, but its a headache for those who prefer to just drive without any unnecessary tinkering cannot.
I will never convince you that tuning is bad. In fact I don't believe it is entirely bad myself.
However I do believe that while tuning can certainly enhances performance and makes a vehicle more fun to drive. It also leads to unintended consequences that have to be compensated for via additional maintenance and repairs.

It is not actually that hot unless you are one that likes to get on it all the time on the highest level tune. If you stay on the lower level tow tunes, it does not get that hot even under constant load. The stock tune is so conservative because it has to keep emissions low and has to keep temps in check while towing it's highest rating. Well what if you are unloaded or never even come close to towing the 23k-30k that the stock tune was de-tuned to tow?

This is the reason why tuners make "tow tunes" all the way up to "performance tunes". The tow tunes have less power to keep EGT's in check under constant load. You are not suppose to tow with a performance tune unless you have the supporting mods that keep the temps in check. I have a 4 selection rotary switch on my dash that can go from my heavy tow tune, light tow tune, daily driving tune, and race tune on the fly. Which tune I run depends on what kind of load my truck is pulling. The more weight I am pulling the less power I can safely run unlike the stock tune which is for the heaviest tow rating no matter what and cannot be adjusted depending on load.

I have actually been saying something similar to what you said here for a long time. Tuning is not for everyone list like modding hot rods in the old days wasn't for everyone either. Not everyone could take a stock engine, modify it, and run it at Le Mans like Carroll Shelby did back in the old days. Since most things are electronic nowadays, a lot of it is done by computers than replacing hard parts. However, tuning does not create more power. Hard parts do. Tuning only unleashes the potential that is already there.

Some people are not comfortable with it or don't know enough about it and don't have the time to know more about it. When you tune or add power modifications, you are stepping out of the safety net of the manufacturer and it is up to you to monitor your truck instead of the computer doing it for you. Some people just don't want to do that and I fully understand which is why I say tuning/modifying is not for everyone. If you are not willing to take control from the computer and place the safety/reliability of your rig in your own hands, then tuning/modding is not for you.