M45 results with rudimentary engine management and E85 - Miata Turbo Forum - Boost cars, acquire cats.

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Old 04-15-2014, 03:10 PM   #1
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Default M45 results with rudimentary engine management and E85

Here are my results from the M45 setup back when I was at 5.5 psi and then at around 8.5 to 9.0 psi from upgraded pulleys. This is all non-intercooled on E85 running an old school non-adjustable power card and RX8 injectors.



I am temporarily without forced induction since I sold the M45 and am awaiting delivery of my BEGI S6 system. While waiting I am tuning the naturally aspirated portion of my MS3 maps... I am considering doing a dyno run just for ***** and giggles after I finalize the naturally aspirated tune on E85.

Later,

Keith
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Old 04-15-2014, 04:41 PM   #2
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What year car and engine? Any bolts on's currently? I'd be curious to see the NA E85 plot.
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Old 04-15-2014, 05:19 PM   #3
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Originally Posted by acedeuce802 View Post
What year car and engine? Any bolts on's currently? I'd be curious to see the NA E85 plot.
1999, with a 01+ header and a quick and dirty cone filter bolted directly to the throttle body and the GM air temp sensor strapped to the outside of the cone filter.

Keith
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Old 04-15-2014, 05:22 PM   #4
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I actually really wanna see the N/A E85 results.
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Old 04-15-2014, 05:40 PM   #5
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In for NA E85 dyno that is higher than the [email protected]
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Old 04-15-2014, 06:17 PM   #6
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There was an article in grassroots a while back where they dyno ed a miata running MS with a bunch of different fuels. The E85 made power even without boost.
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Old 04-15-2014, 11:48 PM   #7
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Originally Posted by thenuge26 View Post
In for NA E85 dyno that is higher than the [email protected]
I don't anticipate anything like that, it would be nice... but not really in the cards on this engine. I could see close to low boost M45 results with some 11.5:1 compression pistons, but with the stock pistons I am not anticipating a huge number.

I am shooting for 12.5:1 A/F ratio (measured on a gasoline scaled wide band) and aggressive timing. If I do take it to the dyno, it will not be a tuning session, just blowing $85 to satisfy my curiosity.

Keith
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