Quote:
Originally Posted by rwthomas1
Explain please? I have had a few turbo cars, gas and diesel and never heard of a difference between between gas and diesel turbocharger turbine wheels. RT
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It's not the turbine wheels, it's the vanes and vane mechanisms that can't stand the heat. Gas engines put out ALOT more waste heat into the exhaust (up to 1600*f) and the 19 or so moving parts for the vanes can't take the heat. There are only two gas cars to ever use a VNT turbo, the 1989 Shelby/Dodge Shadow and the 2007/8 Porsche 911 Turbo.
Diesels run much cooler exhaust temps in the 1250*f range.