Water and oil cooler turbo? Do we need to let it idle on hot days?
recommends turbo cool down or turbo timer for our U.S. evo 8?
Jan 3, 2003, 09:16 PM
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There was a discussion of always needing to idle for a minute or two so that you don't "coke" the turbo...some knowledgeable sounding people saying that a turbo timer is well worth the money and recommending it to all. Also, this just seemed like the place to tell those who don't know...the synthetic oil is said to be imperitive once it's been used as the porosity of the metal will incorporate synth oil and will not allow dyno oil to penetrate after that. I have a degree in chemistry and have no idea if this is true but it seems reasonable and a lot of people seem to swear by it.
The reason that synth is so important in the evo, from what I understand, is that the turbo is oil cooled and so dyno oil will break down in the extreme temp of the turbo and "coke" it...gum it up with burned oil products which then causes decreased oil flow (like clogged coronary arteries) and further higher temps until the turbo has to be taken apart to be cleaned out.
This is for those wondering about why to always use synthetic.
The reason that synth is so important in the evo, from what I understand, is that the turbo is oil cooled and so dyno oil will break down in the extreme temp of the turbo and "coke" it...gum it up with burned oil products which then causes decreased oil flow (like clogged coronary arteries) and further higher temps until the turbo has to be taken apart to be cleaned out.
This is for those wondering about why to always use synthetic.
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Jan 4, 2003, 02:48 AM
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Originally posted by gtr
So it's not water cooler what so ever? I know water cooled provide a final cycle from the coolant which takes a couple of minutes equating to letting the turbo cooled. I remember subaru mentioning something about that.
So it's not water cooler what so ever? I know water cooled provide a final cycle from the coolant which takes a couple of minutes equating to letting the turbo cooled. I remember subaru mentioning something about that.
