Turbo Table Settings

[ynot]

Sounds like your doing some live editing, ya the ecm won't save those changes they have too be downloaded. Live editing is awesome for trying different things while rolling down the road the it resets on key of an you can try something else.

Now about your turbo question the goal is too get positive pressure so the turbo is pushing air vs the motor sucking air from the turbo which depending on the turbo also suck oil from the turbo into the intake.

I haven't messed with an 871 in awhile so I may not be a 100% on my numbers.

Setting the min max tables is as much personal preference as it is function, me personally in the idle range 0-30mg I'd keep it in the 15-18% cause I hate that annoying whistling sound of a pre spoiled vgt, it wouldnt be as responsive on take off as the vgt sitting at 30+% which I know some guys do but again too me it sounded better. So that's personal preference, the function side of it is as I mentioned the more closed the vgt the quicker it'll respond getting you your power quicker an helping with mpg too so you don't have too push the pedal harder too get the turbo lit up.

Think of the min max tables like this the min table is too control your boost curve, what psi's you want at what rpm/fueling. And the max table is too control your limits, your max boost of 40psi for instance, an or boost spikes do you want your boost too spike up quick an drop back down or would you want it too follow your boost curve smoothly through the rpm range.

If your super adventurous you can even ditch those tables an turn em off an control the vgt using the mcf, but that's a different discussion for another time lol