znod

And, who are you replying to?

Matt BMW California

computers dont brag the last time I checked...

If you can beat a computer and its reaction time, you should be driving professionally -maybe you are. But, then again, I think that you'd be hard pressed to not find computers assisting the driver in any professional circuit. Some may not allow for the devices to be around on race day, but there is NO WAY a driver isnt using them to better his time during the testing...these enhancements were developed on the race track my man. BOYA!

Matt BMW California

Why you of course mr Znod.

Matt BMW California

I hate to refer to American Muscle here, but I traded my 06 Corvette convertible for the 550 I have today. It had 3 stages of traction control. One of which allowed for that in between spot where a driver can get a little bit carried away without the computer taking all of your horsepower rights away...with these high performance cars it would be nice to see this kind of option for the enthusiast

znod

Cool. If your reply is not right below the pertinent post of mine, then I'd appreciate it if you would include a quote of whatever I have written so I know who you are replying to and what comment(s) you are replying in reference to. Thanks much.

Matt BMW California

getting used to the forum navigation - I think I have the hang now...thanks for pointing that out!!

znod

I prefer nannies off completely with the exception of stability control, but, yes, the sweet spot you mention should produce very nice results. On my Z06, I always use competition mode when I want to accelerate rapidly--meaning stability control on and traction control off. No one in the know drag races a Z06 with traction control on. Even the Z06 traction control takes HP when it need not do so. If interested, check out my Z06 times in my sig. I don't really test the Z06 much, but always get very good times even without power shifting. The worst part of the 545i management system is that you can't turn traction control off and leave stability control on.

znod

You are very welcome.

znod

Well, we are not talking about reaction time. I agree that humans generally find it difficult to beat computer reaction times at the drag strip. And, yes, computer assists are great helps much of the time on many circuits at least to some. But, you are straying far from the issue under discussion.

From post #1, the issue is "is it better for a car performance to keep DTC ON or OFF before accelerating??" I interpret the question as follows: Will I produce faster straight-line acceleration from a stop if I turn DTC off? Thus, my replies and comments all are pertinent to answering only this question and pertinent asides--unless it is obvious otherwise--e.g., when I indicated how one turns DTC off. Otherwise, I would be participating in hijacking the thread to discuss something other that what the topic started intended. So, at this point, we both are hijacking the thread to some extent. I suggest we return to its topic.

P.S. I can't believe you made the comment about computer not bragging. Surely, you understood that I challenged you to line up a car similar to mine and to beat my times/speeds with the nannies on. Then, whoever wins would have the bragging rights. So, in this context, you were right when you did this:

znod

Ok g-man; it's your turn. I see that you are reading along. Let's here a real pro's opinion. grogan545 "grew up" on a drag strip if anyone doesn't know.