Quote:
Originally Posted by bulldog11267mad
i was thinking about gt35 size but the have different trims and i dont know how you know wich one would work best for the engine you have is there some formula to know what is the exact right size?
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It's not an exact science per say..... You can look at those compressor/turbine graphs all day and it will make you go crazy.
Since you are running two, you don't need to go nuts with the turbine A/R. A .63 or a .82 with the Vband option is what I would go with. The .63 will spool faster, but probably won't push the compressor as well as the .83 would.
As far as compressor, the GT35R is a 56 trim, .70 A/R as a standard... That's what makes it a GT35R
If it were me, I would go with the .63 turbine. If I were running a single turbo, I would run the .83
Have fun with the project, I would love to have the money to do a dual turbo setup!