TwinTurbo.NET: Nissan 300ZX forum - There's a ton to consider in choosing turbos
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Subject There's a ton to consider in choosing turbos
     
Posted by BlackholeZ on May 18, 2020 at 11:18 AM
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In Reply To Who's Turbos to Buy posted by chi town road runner on May 18, 2020 at 10:08 AM
     
Message What are your goals? Looking for max power? Or fun street car?

On a street car you want as small a turbo as will make your power goals. Turbo response is what you'll want so when you stab the throttle you don't have to wait for the turbos to respond.

The trouble with small turbos is they tend to run out of steam at the top end and become a restriction to the system. If your goal is drag racing or roll racing, or really, if your use case is going to be primarily high RPM and long full throttle bursts, you're going to want a larger turbo that's going to flow a lot and not be as much of a restriction in your operating range. The turbos will respond more slowly but you can compensate for that with 2-step/rolling antilag etc.

-Dan


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