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En esta sección, hablaremos sobre todo lo relacionado con el tuning . Noticias, productos, problemas y resultados.
= Hilos resueltos
hey guys,
I was just wondering what are the advantages (if there are any) of tuning VE tables using throttle % for the load axis VS using MAP for load axis. Does it make a difference if the engine is NA or Turbo? which is best to use for suited (load axis) for which engine (NA/Turbo).
G'day Josh.
Good results can be achieved using either method, but my experience is that if you can get a good solid MAP signal (single throttlebody engine, with a good plenum), it's a better indication of engine load under all situations.
We've got an R32 GTR in at the moment we're doing some work with, and Andre did a webinar about tuning it using TPS as the main load axis, as its an ITB engine. Give it a watch, as he goes through some of the idiosyncrasies involved.
https://www.hpacademy.com/previous-webinars/163-tps-map-tuning-for-turbo-and-itb-alpha-n/
Zac,
Thanks for the help! ill give it a look and see if it clears up my questions.
from my expierence you get better transient AFR's with Tps on main axis and MAP correction on a overlay table.
If you have a variable cam vehicle and want or need to move away from a MAF then this can only be properly done with Throttle as cam angle will constantly alter VE.
