I have had really good luck with High Tech Turbo. A 62mm wheel with your choice of the exhaust housings and such. It makes an good top turbo on a set of twins later on down the road. Then you have lots of choices on whos twins you want to run.
Isn't the BD twins kit just 2 s300 variants. A bone stock one top "super B" like Mkoth said, and a modified S300 on the bottom? That just doesn't seem like it would push enough air to support a good amount of fuel. I would think an S300/S400 combo would be much better and not sacrifice that much drivability.
k so i was looking at HT turbos and there are so many choices! I read about the turbo matchings, and i was kinda leanin towards a 64/14 or 64/12... any suggestions? any experience with the different size housings and wheels? thanks
The 64 series in either 12 or 14 are excellent turbos. However I would recommend getting the new 62/13 stainless turbo. It has a 71mm exhaust wheel tucked inside that 13cm stainless housing. It is relatively quick spooling and will support up to 575hp. It has the dual port wastegate and is just a sweet turbo. I am personally running this one as well as several other on here. You can also get it in a 64/13 and a 66/13.
No matter what you can not go wrong with any of High Techs products. Give them a call and tell them what you want to do, they will not steer you wrong.
When picking a turbo, you want to make sure the turbine wheel is larger then the compressor wheel. If the wheels are too close in size, or if the turbine is smaller then the compressor, the turbo will surge under load.
The stainless housing HTT uses transfers more heat to the turbine wheel, allowing faster spool up.
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