99 5.3 tune opinions

[Balakayt.]

A friend of mine bought a cam and heads that was previously in a Silverado with a 6.0 bored out to a 6.2. When he bought the parts he was given this file from the 6.2 engine. He wnats to use it as a starting point. I explained to him its not that simple.. with the most obvious reason it was from a 6.2 and his engine is a 5.3.

But all that aside if anyone wants to take a quick review of it and see if its a good tune. Basically i don't wanna even attempt to use this as a reference if its dog shit. If its a good tune then awesome maybe i can learn a few things. Thanks for the help.

Sean Tune 3 VATS off for friends truck 6.2L 3.73 gears 93 octane.hpt

[gtstorey]

The stock tune is going to be closer as a starting point.

[2xLS1]

Not a good tune anyway. Engine>Airflow>Dynamic>High RPM Disable 40 says all you need to know about whoever tuned it.

[5FDP]

Needs bigger fuel injectors too.

[Balakayt.]

Thanks for the reply's. tried it out against my insistence we started from scratch. Ran like shit lol. On his stock tune i was attempting to make initial changes to the VE table and no matter how much i added the fuel trims were at 20-40% at 1200 rpm. Injector pulse width was at 18 ms at 1200rpm. that is to high right? Unfortunately i do not have the log to upload.