Mazdaspeed Miata Turbo EFR 6258 3rd-4th 311whp 17psi

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Built and Boosted 1.9L Miata with 3.63 gears and full supporting mods, 225/45/15 RS3 tires, temp approximately 60* outside

Gentle 1st to 4th, down to 3rd and off we go! Light wheelspin initially, and a bit bumpy in 4th, sounds like it's breaking up but it's really not.
  1. Cleanneon98
  2. YouTube Capture
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Комментарии
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This is so awesome! Such good motivation for 300hp

Shredzilla
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If you're familiar with the EFR turbos they come with a recirculating valve built in. That is the "bov" I am running, really a Diverter valve.

UltimateTuner
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Is there a dyno posted up anywhere for this car? Really interested in the torque curve on this EFR!

TheCarPassionChannel
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Damn at first I thought that wasn’t much cause of how subtle it was. But then I realized how quick the speedo increased. That setup must be super fun. I can’t imagine my Miata pulling in third. Can’t wait till I finally save enough to build it. What octane were you on?

DeffectiveMirrors
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Has the speedo been recalibrated for the rear gears? If not, what was your original gear ratio?

TylerZ
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is that the stock BOV/recirc valve or the turbosmart piston type out of curiosity? i've seen lots of EFR's not sound like this lol. Considering pulling the trigger myself but the smaller HTA2863 owen developments garrett is also tempting. How do you find fitment ?

JessopVTS