Anyone holding on to a gt28 or gt3071 turbo they aren't going to use?
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Turbo-Garrett
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I have a 2560R availablesigpic
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Curious as to why you were looking for either a gt28 or 3071r? I know it sounds like with the bigger turbo you'll make a lot more power, but crazy as it sounds, that's a terrible idea. I had a 2871r on my turbo build, and it would have blown just about everything on the car if I hadn't restricted the boost to about 7-8 psi. Believe me a 2560 or even a 2554 is a lot better match for a 1.8 liter motor than a 3071r. The sweet spot where you get to enjoy the car and have it be reliable is between 220-240 rwhp. After that you're just finding the next weak link to break, and fixing broken turbo cars is not fun, which is why I sold mineRed '91, MSM longblock/BEGI-FM hybrid turbo w/2871r/3"Enthuza/Hydra2.7/700cc/Ohlins/
RacingBrake11"BBK/SS HDDD/Nakamae everything/KGWorks/Zoom/We're done!
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Originally posted by oldgrayfrog View PostCurious as to why you were looking for either a gt28 or 3071r? I know it sounds like with the bigger turbo you'll make a lot more power, but crazy as it sounds, that's a terrible idea. I had a 2871r on my turbo build, and it would have blown just about everything on the car if I hadn't restricted the boost to about 7-8 psi. Believe me a 2560 or even a 2554 is a lot better match for a 1.8 liter motor than a 3071r. The sweet spot where you get to enjoy the car and have it be reliable is between 220-240 rwhp. After that you're just finding the next weak link to break, and fixing broken turbo cars is not fun, which is why I sold mine😰
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As someone that had a fully built motor and a 2871 that was [email protected], there was plenty more airflow left on the table. It's plenty of fun.
D WILL MIATA TURBO.jpg
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For those who are always talking about having 400+hp out if a Miata driveline, ask Nick about thunder. I don't think most of the people who say I want 300+ out of my Miata are ready for what that brings, financially or otherwise.
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Originally posted by 91LudeSiT View PostFor those who are always talking about having 400+hp out if a Miata driveline, ask Nick about thunder. I don't think most of the people who say I want 300+ out of my Miata are ready for what that brings, financially or otherwise.
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A street Miata with a turbo will never see the duty cycle that you'd get on track even in a mountain run or w/e.
For track the Trackspeed Engineering EFR turbo setup is really the only reliable off the shelf formula for a track miata and his kit hasn't even been fully released you still have to come up with plumbing solutions among other things. However, it can reliably deliver 220hp without issues on track as evidenced by the Supermiata S1 class.
I also concur with Sean. Why bother with old technology when the Borg Warner EFR series is superior in almost every way?'00 Silver Miata
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