Variable Geometry Turbo, anyone heard of this?
Sep 12, 2005, 08:20 AM
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Variable Geometry Turbo, anyone heard of this?
Last night on spike T.V. I was watching a program where they were putting a Banks power package on a dodge turbo diesel pickup.
The part that caught my attention was when they said they were using a new type of turbo with a Variable Geometry inlet on the hotside of the turbo. How this works is that a secondary ecu translates RPM and throttle position to change the size of the exaust inlet on the hotside via small flaps that look like a jets exaust.
Aparently this will speed up the flow of exaust into the turbo at lower RPMs and make a large turbo spool much faster and then open up to allow high horspower at high RPMs.
Has any one heard of this or know if its a possibility for our cars?
The part that caught my attention was when they said they were using a new type of turbo with a Variable Geometry inlet on the hotside of the turbo. How this works is that a secondary ecu translates RPM and throttle position to change the size of the exaust inlet on the hotside via small flaps that look like a jets exaust.
Aparently this will speed up the flow of exaust into the turbo at lower RPMs and make a large turbo spool much faster and then open up to allow high horspower at high RPMs.
Has any one heard of this or know if its a possibility for our cars?
Sep 12, 2005, 12:22 PM
#6
I heard something about a Bi-turbo from Mercedes. One smaller for low rpm band till 1800rpm; During the mid rpm the smaller and the bigger working together and then after 3000rpm just the bigger in action.
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