BEGI mazdaspeed3 - Xede only: 288fwhp 310ftlbs - Miata Turbo Forum - Boost cars, acquire cats.

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Old 01-10-2007, 02:22 PM   #1
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Default BEGI mazdaspeed3 - Xede only: 288fwhp 310ftlbs

Link is on the front page.
Amazing to think that for $1k and some minor wiring you can get that kind of gain from the OE setup.
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Old 01-10-2007, 02:41 PM   #2
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i noticed this, a friend of mine has the mazdaspeed6 and was wondering if it would also work for his application. but the results are nice!
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Old 01-10-2007, 02:43 PM   #3
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look at the fuel before the Xede....that alone was probably the most substaintal gain.
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Old 01-10-2007, 03:00 PM   #4
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Mileage must suck on a stock MS3 10:1?? Geez. What are they trying to do kill cats and plugs quickly?

Frank
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Old 01-10-2007, 03:19 PM   #5
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Think that's a tactic for keeping the car "safe"?
That af curve is reminiscent of the Miata's with the afpr and turbo
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Old 01-10-2007, 03:34 PM   #6
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my friend with the ms6 gets 8mpg, but we've asked around and nobody else mentioned theirs was that bad
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Old 01-10-2007, 03:44 PM   #7
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Quote:
Originally Posted by fmowry View Post
Mileage must suck on a stock MS3 10:1?? Geez. What are they trying to do kill cats and plugs quickly?

Frank
The two stock MSMs I have dyno plots of both are into the 10:1 (or even lower as 10:1 is as low as the dynojet goes to) as soon asyou go WOT.
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Old 01-10-2007, 04:30 PM   #8
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As for the MS6, I saw one on the dyno with the crazy ECU problem. After a pull or two, the heatsoak would cause the ECU to go into limp mode and the car would literally drop 100whp or so. It just fell on it's face obviously. Did Mazda take care of that? It ran pig rich too.

Frank
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Old 01-10-2007, 04:35 PM   #9
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Quote:
Originally Posted by fmowry View Post
As for the MS6, I saw one on the dyno with the crazy ECU problem. After a pull or two, the heatsoak would cause the ECU to go into limp mode and the car would literally drop 100whp or so. It just fell on it's face obviously. Did Mazda take care of that? It ran pig rich too.

Frank
Don't MS6's , and MS3's? run with a top mounted coolers?
I wouldn't think that would work out so well on a Dyno?
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Old 01-10-2007, 04:40 PM   #10
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Don't MS6's , and MS3's? run with a top mounted coolers?
I wouldn't think that would work out so well on a Dyno?
Yes and it's integrated to be much harder to replace than the Subaru TMICs. It is very shallow too.

Most dynos have a highflow fan that straps to a TMIC to get flow through it. At least AWD dynos since they get a lot of Suby business.

Frank
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Old 01-10-2007, 04:58 PM   #11
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Wow. Those plots aren't even close to one another. Xede over 300 ft-lbs at 3000 rpm, stock has less than 150? Something just doesn't look right.
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Old 01-10-2007, 05:00 PM   #12
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Originally Posted by TurboTim View Post
Wow. Those plots aren't even close to one another. Xede over 300 ft-lbs at 3000 rpm, stock has less than 150? Something just doesn't look right.
stock ECU detunes lower gears for traction control and torque steer. might be related.
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Old 01-11-2007, 11:53 AM   #13
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this is the nice thing about old *** miatas...stripped down electronics.
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