Different Approach to Turbo cool down
Posted: Sun Oct 01, 2000 2:50 am
Josh, maybe they are figuring that if the coolant contiunes to take heat away, the turbo(s) won't maintain super high temperatures long enough to actually cook the oil? Personally, and this is only my opinion, but I think Turbo Timers are a waste of money. If you have $100 laying around and can't find anything else to spend it on, then fine, but I have no problem sitting in the car a few moments before shutting it off while things cool down. Especially today with synthetic oil which would probably need "atom-splitting" temperatures for it to cook, if I'm on the boost hard, I usually just drive around for a few minutes under no boost at all, then park and wait 30 seconds to a minute of so. I would much rather invest in synthectic oil then a Turbo Timer. There's just something about leaving your pride and joy's engine running while your not there that has me somewhat uneasy. But back to the topic, at least Audi took this into account when designing their system. If your uncle doesn't use synthetic, I'd still wait a few moments if I were him though.
-Matt
-----Original Message-----
From: Josh Colombo < jcc189@psu.edu>
To: bc-bflegacyworks@egroups.com < bc-bflegacyworks@egroups.com>
Date: Saturday, September 30, 2000 91 PM
Subject: [BC-BFLegacyWorks] Different Approach to Turbo cool down
Just thought I'd run this by you guys, see what you think.
My uncle just bought a new Audi, A6 2.7 Bi-turbo. Before he bought it I mentioned something to him about a turbo timer to prolong the life of the turbos. Well he mentioned something to one of the East Coast reps, and sparked their interest. So they contacted the engineers in Germany.
It turns out that there is separate water jackets that run through the turbo, as well as the oil. There is an electric pump that continues to circulate coolant around in the turbos. This sounds like a good idea. The only thing I'm not sure of, or question is the bearings. Yes there is water cooling around the bearings, but the oil is in direct contact with bearings not the water. So if you are really driving the piss out of the car, and then stop I would still believe there is a chance for you to cook the oil around the bearings. I don't have a blue print of the cooling system or shit like that so I can't make a 100% analysis of the system, but I guess if the engineers says it's ok.....it's PROBABLY alright, but not necessarily full proof.
Thoughts comments?
Josh
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-Matt
-----Original Message-----
From: Josh Colombo < jcc189@psu.edu>
To: bc-bflegacyworks@egroups.com < bc-bflegacyworks@egroups.com>
Date: Saturday, September 30, 2000 91 PM
Subject: [BC-BFLegacyWorks] Different Approach to Turbo cool down
Just thought I'd run this by you guys, see what you think.
My uncle just bought a new Audi, A6 2.7 Bi-turbo. Before he bought it I mentioned something to him about a turbo timer to prolong the life of the turbos. Well he mentioned something to one of the East Coast reps, and sparked their interest. So they contacted the engineers in Germany.
It turns out that there is separate water jackets that run through the turbo, as well as the oil. There is an electric pump that continues to circulate coolant around in the turbos. This sounds like a good idea. The only thing I'm not sure of, or question is the bearings. Yes there is water cooling around the bearings, but the oil is in direct contact with bearings not the water. So if you are really driving the piss out of the car, and then stop I would still believe there is a chance for you to cook the oil around the bearings. I don't have a blue print of the cooling system or shit like that so I can't make a 100% analysis of the system, but I guess if the engineers says it's ok.....it's PROBABLY alright, but not necessarily full proof.
Thoughts comments?
Josh
************************
To unsubscribe from this group, send an email to:
BC-BFLegacyWorks-unsubscribe@egroups.com