Quote Originally Posted by Lightman View Post
@mikeyakame

You like good cars

But your wording about HD5970 and failing under OC is harsh. It's not failing only throttling
Cheers lad so do yoU Classic jap cars are awesome!

I think I took it a little far with that, but what I meant to say was this.

i use this example with OE tuning in mind, no modifications etc. All as per the factory.

Lets say you take 2JZ-GTE and throw it on an Engine Dyno, now different manufacturers make different engine dynos, and of course the programming to cycle the engine through different loads and conditions will be different for each and of course also reprogrammable. Now if I used two different engine dynos, one represents a typical stress load and the other represents a unique stress load, the typical one doesn't turn up any issues but the unique one causes my engine's ECU to fuel cut from running lean.

I would be going straight to Toyota and voicing my problem to them, because an Engine Dyno is an Engine Dyno and how it loads an engine should be irrelevant, therefore the fuel mapping should be adequate that under any standard conditions it doesn't risk blowing my engine up. Sure they might be some unique ones but selling me a performance vehicle with a performance engine I expect this kind of testing to be done.

It would be inexcusable for Toyota to say well the Engine Dyno you used is an Engine Power Virus because we figured that 99% of our customers won't ever test the engine under those conditions. Engine Dyno is an Engine Dyno how I stress the engine should be irrelevant as long as I'm doing it in a responsible manner. No mechanic or engine builder would accept this as an excuse and Toyota would be called out for it and made to fix it or else lose respect of industries, yet doing the same thing with a Video card is considered alright because you aren't paying $100K+ for it new.

Engineering should consider all scenarios whether they are unique or not, and especially more so if you sell a product as one you can thrash or tune.

My thoughts have nothing to do with any manufacturer, rather the nature of an industry. I'd have the same grief if Nvidia did this, if Intel did this, even if Toyota, Honda or Nissan did this. I think this is what a lot of the guys not defending the matter here are trying to say, it's not about fanboyism it's about delivering a product engineered to do what it is designed to do under typical and atypical scenarios, not doing that is inexcusable.