In my opinion, on his car it was more of a necessity than an option. He has some pretty big Comp cams so the SD model was grossly inaccurate. The most obvious effect was that the inferred baro was way off, which threw off everything else. "Big Tuner" basically just locked down inferred baro...
Yes, @tdstuart did something similar, except he went into the imrc position sensor instead and used an adapter harness.
I think it took us 25 logs and revisions, give or take, to tune his sd model. That was using just 4 mapped points and isolating each one for tuning, using a home-brew sd...
Correction, I follow the OLM, which is typically 10k miles or 1 year whichever is first. However, with a proper flex tune it does automatically derate the oil life as a function of ethanol.
Yes, resistance to change and some level of laziness. Why develop new better stuff when you can keep selling the same thing since 2012? Fore and Lund are dinosaurs stuck in 2017.
Right I wouldn’t call that a dual tune. I’d just call it two tunes but I guess that’s semantics.
I don’t generally like witches brew fuels but 15-17 psi is probably fine. In fact I’d probably just tune it for pump gas at 15-17 psi with conservative timing and have another tune for race gas...
The 2021 Roush are widely unlocked and easily tunable. Your tuner is either blowing smoke or has no clue what he's doing. There is absolutely no excuse for this and completely insane for them to keep your car that long with such a simple combination.
You didn't mention injector upgrades or...
If I’m understanding correctly, the kpm800 powers two pumps off of a single fpdm. This being the case, you do lose some level of diagnostics because the fpdm is checking for too much or too little resistance from the pump. If one pump fails the diagnostics may not work properly. Also, there...
Good question. I recall they changed mid-2019 so “maybe”. You can tell by looking at them. Post a pic if you want but the conventional ones have a visible rubber strip/swam whereas the fluid ones are flat in that area without the seam.
I think I see the problem....much like there's a difference between drive mode and shift character, there is also a difference between drive mode and shift schedule. In PCMTec you can log drive mode number and shift schedule number. Often they are they same, but sometimes they are not. That's...