10+ Year Contributor
- Nov 22, 2008
hey just wondering which turbo is best evo3 16g or the big 16g or the small 16g and also is a 16g worth upgrading from a big t28 just need some input
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It's simple....the Small 16G flows almost as much as a Big 16G yet spools just slightly slower than a 14B. There's a significant difference between the spool of a Small 16G and an Evo III 16G, and some DSMers really like an upgraded turbo that spools almost like a stocker.
The only real difference between the Big 16G and the Evo III 16G is the design of the compressor wheel, and the outlet spec of the turbine housing. The turbine housing of the Evo III has a bigger outlet for better flow (and more risk of boost creep), and the compressor wheel of the Evo III has a smaller center hub, allowing the fins to be a bit bigger and the wheel to be a bit lighter than a standard Big 16G.
To make things even more confusing, Kamak Dynamics is now offering a 20G compressor wheel that is styled after the Evo III 16G wheel, with a smaller hub area and larger compressor blades. I wonder how much additional airflow the Kamak wheel adds over a MHI 20G wheel?
I've been wanting to convert some evo chra's to 20g's. The price of the kamak parts has brought them to my attention. I know you rebuild a lot of turbo's. How do you rate their quality?