CloseJan 10, 2006 3:10:21 PM
Jan 10, 2006 3:55:26 PM
Quote:
69bossnine said:
If you've been driving the car recently, the computer is programmed to WAIT for a time sufficient for all of the oil that is up in the engine to drop out and creep back into the reservoir.
Jan 10, 2006 4:33:50 PM
Quote:
MMD said:Quote:
69bossnine said:
If you've been driving the car recently, the computer is programmed to WAIT for a time sufficient for all of the oil that is up in the engine to drop out and creep back into the reservoir.
Actually the computer doesn't wait, like it had to in the 996. The 997 system employs a new thing called "map compensation" and actually calculates, based on several factors, the amount of oil still sticking to the non-sump parts of the warm engine. So engine oil "measurments" come on-line faster.
Jan 10, 2006 4:47:16 PM
Jan 10, 2006 5:04:58 PM
Jan 10, 2006 5:05:24 PM
Jan 10, 2006 5:09:32 PM
Quote:
69bossnine said:
Share with us why checking cold is not accurate.... Or better yet, why it wouldn't be the easiest/most-practical way to go about.
Given my limited understanding of fluid dynamics, the cold reading would give you a "worst-case" scenario, every time, to ensure that you never ran LOW on oil, which is the last thing you want to do, and which is really, the primary concern. Once you're in the safe range, and not overfilled, the rest is just picking fly-$hit out of the pepper...
Jan 10, 2006 5:15:15 PM
Jan 10, 2006 5:55:51 PM
Quote:
69bossnine said:
Share with us why checking cold is not accurate.... Or better yet, why it wouldn't be the easiest/most-practical way to go about.
Given my limited understanding of fluid dynamics, the cold reading would give you a "worst-case" scenario, every time, to ensure that you never ran LOW on oil, which is the last thing you want to do, and which is really, the primary concern. Once you're in the safe range, and not overfilled, the rest is just picking fly-$hit out of the pepper...
and you're probably right at the bottom line.Jan 10, 2006 7:22:00 PM
Quote:
69bossnine said:
Share with us why checking cold is not accurate.... Or better yet, why it wouldn't be the easiest/most-practical way to go about.
Given my limited understanding of fluid dynamics, the cold reading would give you a "worst-case" scenario, every time, to ensure that you never ran LOW on oil, which is the last thing you want to do, and which is really, the primary concern. Once you're in the safe range, and not overfilled, the rest is just picking fly-$hit out of the pepper...
Jan 10, 2006 7:31:26 PM
Jan 10, 2006 9:06:52 PM
Quote:
69bossnine said:
do you really trust Porsche to calculate oil-drip-down??? I'll keep checking mine, cold, in the AM before cranking to go to work.
) I DO trust it. I figure that if Porsche get's it wrong they'll have to replace blown engines because unlike when there's a owner responsible for using the dipstick, now Porsche can only blame themselves (for a defective, innaccurate oil measurment system).
Jan 10, 2006 9:23:24 PM
Quote:
MMD said:Quote:
69bossnine said:
do you really trust Porsche to calculate oil-drip-down??? I'll keep checking mine, cold, in the AM before cranking to go to work.
Good question, and yes (for some strange reason
I'll also pay more attention to it and try to figure out it's quirks.
Besides, if you're down a quart what difference does it make? It seems the current system will eventually figure it out and tell you to add more. It's probably NOT as accurate as a dipstick in the right hands but it IS as accurate as it had has to be.
If somebody claims being a quart down IS perilous and I'll claim Porsche tweeked the crankcase "architecture (!?)" to survive being a quart down. Or whatever volume(half-quart), with the dipstick-less system the "right" amount of oil needed by the engine is always indicated.
HEY! That's a new insult we can hurl at some dork in a 997, "Hey dipstickless!"
Jan 10, 2006 9:36:25 PM
Jan 10, 2006 9:39:22 PM
Jan 10, 2006 9:42:00 PM
Quote:
P997C2S said:
I want my DIPSTICK BACK!
From the '06 997 Manual: Oil return time
It's all good news! 
Quote:
MMD said:
I don't get it, who needs more stuff to do? I'm glad the dipstick is gone. More greasy work, and I never really liked that single drop missing my rag and getting away from me %25 percent of the time.
Quote:
P997C2S said:
A dipstick is also useful to get some oil for an oil analysis and is also useful in determining if your oil is contaminated with coolant.
Jan 11, 2006 11:44:46 PM
Jan 13, 2006 3:01:47 AM
Quote:
KiwiCanuck said:
not to refill until the reading was consistently nearer to 2*0.4 divisions down, rather than just one.
Quote:
superfans said:Quote:
KiwiCanuck said:
not to refill until the reading was consistently nearer to 2*0.4 divisions down, rather than just one.
Stupid question, what do you mean by "2*0.4 divisions down"? Do you mean that one should not refill any oil until there is only one measurement light left on?
Jan 14, 2006 12:58:04 AM
Jan 14, 2006 2:30:54 AM
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