There's your problem...
Fueling can be perfect but if your timing curve is completely wrong for the boost/turbo you're running then you're going to run into problems. Problems in this case being detonation and an exploding engine. As I understand it the PFC F-CON is a map sensor type intercept piggyback computer, it 'tricks' the stock ECU into fueling correctly. What it doesn't take into account is that if the stock ecu is 'seeing' 0.8 bar and it's actually at 1.2 on a larger turbo it's going to be advancing the timing a LOT more than is desirable.
TUNING ISN'T JUST FUEL.
This is why piggybacks are rubbish and should never be used for anything over a relatively small boost pressure increase.
You're welcome to your opinion, but I'm afraid it's a fact - Glanza rods can and have held over 350bhp for extended periods, just because yours didn't doesn't mean they all can't.
this is well said....if i could rep u with a million points i would for the above quote
we have to realise that tuning fuel is NOT going to do it in a lot of cases/builds/projects....things like safc, f-con (i am not too clue on this device, but seems from readings above that its ONLY a fuel controller--correct me if i'm wrong
), etc....which only control fuel by altering the stock signal in some way, also affect the stock timing
now to counter this, you may have to sacrifice a few points on the base timing (retard base timing), as some guys with high compression 5efhte builds do....this is usually one of the ways around this issue, BUT u may not get the most out of the engine
at minimum, its good to have a "reputable" piggyback (a standalone will do this too, naturally
) which allows the tuner to cover BOTH ignition and fuel....this will help save your engine from detonation at various points along the curve...which will in turn save your rods/pistons/crank/bearings from excessive loads due to pre-ignition. Also, running overly rich mixtures to protect the engine is not usually the best way to run optimal power either, as done in some instances. Yes it can save the engine, but you also need to be careful here too, as too rich is a bad thing and can cause engine damage.
"tricking" the stock ecu may not be in your best interest if it is not done "properly/safely",.....when this is done poorly, we are really tricking ourselves and eventually we may see the trick back fire on us---time to go to toyota or scrap yard for engine/parts
wouldn't you just hate it when/if the stock ecu calls your bluff??:haha::freddy::haha: