is a water cooled turbo worth it??
08-22-2008, 03:20 PM
#22
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A water cooled turbo will put more load on your cooling system too. If you don't already have a bigger/better radiator I would look into it.
FWIW a lot of remote start aftermarket car alarms have a turbo timer function built in.
FWIW a lot of remote start aftermarket car alarms have a turbo timer function built in.
08-22-2008, 05:07 PM
#23
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I have an EGT gauge, and usually make sure it's below 1000 before shutting the truck off. Most times, even if I pull off a road and straight into a parking spot, it's already below 1000 just from coasting for 4 or 5 seconds. If it's not, it rarely takes any more than about 10 seconds to get EGT's below 1000. I agree that a turbo timer is a waste of money...sitting in the idling truck for 10-15 seconds after parking is easy enough.
07-07-2016, 05:12 PM
#24
Water cooled turbos for the most part are not necessary for our application, cuz the turbos are not worked hard for long periods of time and are not generally extremely hot when the motor is shut off. Their main purpose it to reduce oil "cokeing" which happens when you shut the engine off with the turbo still very hot. The oil in the bearing housing will mostly drain out leaving a very thin coat that can't dissipate the heat of the hot turbo and that oil will "coke" and turn into hard crap and can eventually plug up the oiling cavities and bearings in the turbo.
A water cooled turbo will prevent this because there will still be water in the cooling cavities around the bearing housing to dissipate the heat of the turbine, keeping the temp low enough so the oil won't coke in the turbo. Most OEM use water cooled turbos so they don't have to worry about the consumer letting the turbo cool down for a couple of minuits after being worked hard for an extended period of time.
As far as how to hook up the water source, I always just T both heater hoses with 5/8 though X 3/8 nipple T's and connect both of those T's to the turbo housing water connections. It doesn't mater which one connects to ware, as direction of flow makes no difference. It will flow naturally, because the feed to the heater core is always of higher pressure then the return since the core is a restriction.
A water cooled turbo will prevent this because there will still be water in the cooling cavities around the bearing housing to dissipate the heat of the turbine, keeping the temp low enough so the oil won't coke in the turbo. Most OEM use water cooled turbos so they don't have to worry about the consumer letting the turbo cool down for a couple of minuits after being worked hard for an extended period of time.
As far as how to hook up the water source, I always just T both heater hoses with 5/8 though X 3/8 nipple T's and connect both of those T's to the turbo housing water connections. It doesn't mater which one connects to ware, as direction of flow makes no difference. It will flow naturally, because the feed to the heater core is always of higher pressure then the return since the core is a restriction.
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