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En esta sección, hablaremos sobre todo lo relacionado con el tuning . Noticias, productos, problemas y resultados.
= Hilos resueltos
Still learning tuning and looking for some guidance before I start chasing my tail.
I swapped a 2019 6.4 Scat Pack engine into a vehicle still running the factory 5.7 PCM and calibration. The engine starts, idles, and drives surprisingly well, but it's definitely not perfect.
Current symptoms:
- Slightly rich
- Fuel smell from the exhaust (Am catless)
- Occasional hiccups/surges
- Doesn't feel as smooth as I think it should
Ive started logging drive recordings using the course provided hemi scan settup. I see the O2's are trying to trim the fuel. (I am using 6.4 injectors)
My biggest question is figuring out what I should be focusing on next.
Since the engine is obviously moving more air than the original 5.7, how do you guys determine whether you're looking at:
- VE/modeling issues
- Injector characterization issues
- Torque model issues
- Something else entirely
For those who have actually tuned one of these combinations, what would be the first things you'd look at in a log?
Trying to learn the logic behind the calibration instead of just blindly copying tables. Any advice is appreciated.
follow the course.......
timing
air
fuel rate
inj pulse?????
