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Water cooled turbo for 85 GN

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Milton Mckoy

Member
Joined
Dec 28, 2012
Messages
35
I just purchased a 1985 GN and I've been told to get a water cooled turbo which is very good for performance.Any suggestions on where to purchase one.I've already looked on eBay and Kirbans.
 
For an 85 to have a water cooled turbo you'll need to have it custom made. There's very few options for a HA unless you have things made custom.:(
 
There is no performance advantage to a water cooled turbo. Any t3/t4 can take a wet bearing housing. Then you need to route the lines to and from. I could swap yours out if you wanted. PM if interested
 
There is no performance advantage to a water cooled turbo. Any t3/t4 can take a wet bearing housing. Then you need to route the lines to and from. I could swap yours out if you wanted. PM if interested
Thanks because I am going to change out the "maybe" original turbo for a bigger or newer one.
 
Milton Mckoy said:
Bison who?!How are they going to custom fit unless they know what the HA looks like?

Charlie is talking about bison the second person to reply to your thread. He can build your stock turbo or upgrade it.
 
There is no performance advantage to a water cooled turbo. Any t3/t4 can take a wet bearing housing. Then you need to route the lines to and from. I could swap yours out if you wanted. PM if interested
How much would it cost?
 
"How much would it cost?"

Click on bison name, a pop up will appear, click on "start a conversation" type message, and send it to him...
 
You might want to find out if you really need a larger turbo. If you are new to this car, then don't assume a bigger turbo is needed. There are many other things to do first, especially if the car is stock/near stock.
 
You might want to find out if you really need a larger turbo. If you are new to this car, then don't assume a bigger turbo is needed. There are many other things to do first, especially if the car is stock/near stock.
Yes I know like fuel and air,but like I told the previous owner this car is an 85 and for a car thats almost 30 years old,I don't know how this car was driven and I'm planning on putting an intercooler on the car with the turbo replaced so I wont have to deal with that later.Right now I got a electrical problem with the car,so speed will have to wait.
 
lots and lots of intake porting. lots of head porting. E85. many here have proved that an intercooler isnt needed to be fast in these cars at all.

though............ an intercooler does make it easier.
 
Yes I know like fuel and air,but like I told the previous owner this car is an 85 and for a car thats almost 30 years old,I don't know how this car was driven and I'm planning on putting an intercooler on the car with the turbo replaced so I wont have to deal with that later.Right now I got a electrical problem with the car,so speed will have to wait.
You might find that when you put on an intercooler, you might want to go with an 86/87 setup. Then you would be buying another turbo.

Start with the basics. Do you have boost and knock gauges? A scan tool? Fuel & air are important, but knock is key to a boosted car.
 
You might find that when you put on an intercooler, you might want to go with an 86/87 setup. Then you would be buying another turbo.

Start with the basics. Do you have boost and knock gauges? A scan tool? Fuel & air are important, but knock is key to a boosted car.
Would a Scanmaster help with this?
 
upgrade your downpipe get an 87 performance convertor and exhaust and a torque convertor .
adjust your tps for wide open throttle - 4.75- 5.00 volts this is common that it never reaches this and looses alot of potential due to computer not giving full timing and fuel these upgrades made a huge difference in my car.
 
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