Experience with small a/r (0.64) GT2860 or GT2871? - Miata Turbo Forum - Boost cars, acquire cats.

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Old 12-19-2011, 01:41 PM   #1
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Default Experience with small a/r (0.64) GT2860 or GT2871?

As opposed to the more common, larger 0.86 a/r?
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Old 12-19-2011, 02:10 PM   #2
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In for responses
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Old 12-19-2011, 03:20 PM   #3
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I've got a 2871 .64 a/r on my car. Personally I like it a lot better than my 2560, but it does spool slower. What kind of feedback were you looking for?
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Old 12-19-2011, 03:36 PM   #4
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Dyno plots.

I want to look at the small vs. large a/r tradeoffs.

Which trim compressor do you have? 48,52, or 56? Or, which CHRA or garrett turbo p/n?
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Old 12-19-2011, 03:43 PM   #5
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Oh LOL, I should've searched and found my own thread:

https://www.miataturbo.net/showthrea...&highlight=.64
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Old 12-19-2011, 10:44 PM   #6
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My friend has a 48 ar turbine gt2871r on his bmw engine. I know its not a miata engine but if you want I can get a pic later of his dyno output and maybe a datalog of one of his runs.

Its a 2.7l inline 6
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