turbo timer
22 June 2006 | 11:00 PM
#5
Scooby Senior
Joined: Apr 2002
Posts: 14,230
Likes: 5
From: Harrogate
Off out now so i'll leave you with a quick quote from Andy Forrest..
I have a turbo timer and don't use it for road use
The turbo's have a water cooled core, this is always flooded due to the height of the header tank. Even with the engine switched off, water circulates around the core due to natural convection.
The problem of carbonised oil and cooked seals is only applicable to oil cooled turbos such as the R5 Turbo, even then it's only usually a problem with old/crap oil.
Subaru thoroughly test the heatsoak capabilities of all components. If turbo's failed when switched off hot, they would never be fitted !!
Any more that a short idle period is a waste of time and fuel IMHO.
The turbo's have a water cooled core, this is always flooded due to the height of the header tank. Even with the engine switched off, water circulates around the core due to natural convection.
The problem of carbonised oil and cooked seals is only applicable to oil cooled turbos such as the R5 Turbo, even then it's only usually a problem with old/crap oil.
Subaru thoroughly test the heatsoak capabilities of all components. If turbo's failed when switched off hot, they would never be fitted !!
Any more that a short idle period is a waste of time and fuel IMHO.
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