1.8 with FM hot side and .86 GT2860R
Terrible, 61.7 lbs per liter per atmo.
Forged 1.8 bottom end with 150k miles stock vvt head Square top with stock tb FM hot side with 3" downpipe VVT coils and plugs at .025" DW200 and gt500 injectors v8r 62a mounts 6 speed/3.9 fm2 clutch and stock flywheel 800/500 revalved billies 15x9/225 rs4s Rev ms3 Precision 350hp ic 93 octane pump (bad) street tuning https://cimg6.ibsrv.net/gimg/www.mia...f4fa580ddc.jpg https://cimg8.ibsrv.net/gimg/www.mia...0fc5b0ab31.jpg |
your fueling looks pretty good, I probably wouldn't lean it out any more
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Moar boost.
David has the map sensor you need sitting on a shelf. Offer him $5 for it. |
Originally Posted by concealer404
(Post 1436166)
Moar boost.
David has the map sensor you need sitting on a shelf. Offer him $5 for it. |
can't you just grab power from the OEM baro sensor?
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Originally Posted by 18psi
(Post 1436170)
can't you just grab power from the OEM baro sensor?
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62mph seems slow for 300whp
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How much boost are you running?
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Dotted line in the bottom section of the chart.
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Originally Posted by concealer404
(Post 1436409)
Dotted line in the bottom section of the chart.
:) ddooohhhh.... I didn't see that. Thanks for pointing it out! |
Wow! Similar setup to mine:
https://www.miataturbo.net/build-thr...o-93282/page3/ I'm actively working on my tune as well but power seems to be similar at this point. We both have a 6 speed/3.9 setup too and I see you're doing your pulls in 5th. I may give that a try to see how spool compares. |
Originally Posted by vteckiller2000
(Post 1436169)
The problem is that I don't know how to supply the sensor with the required 5v power. The Rev ms does not have a 5v output.
--Ian |
Originally Posted by codrus
(Post 1436755)
This is what soldering irons are for. :)
--Ian |
Originally Posted by Carloverx
(Post 1436749)
Wow! Similar setup to mine:
https://www.miataturbo.net/build-thr...o-93282/page3/ I'm actively working on my tune as well but power seems to be similar at this point. We both have a 6 speed/3.9 setup too and I see you're doing your pulls in 5th. I may give that a try to see how spool compares. |
The TPS also has +5v wire you can use also.
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Originally Posted by vteckiller2000
(Post 1436810)
I actually confirmed the oem EGR baro sensor has +5v, so this is in the works. I don't foresee getting much more out of the setup above 24-ish psi, but I've been wrong before.
--Ian |
Originally Posted by codrus
(Post 1436838)
Is that +5 supplied by the MS3? If not, you don't want to use it for an analog sensor power.
--Ian
Originally Posted by vteckiller2000
(Post 1436169)
The problem is that I don't know how to supply the sensor with the required 5v power. The Rev ms does not have a 5v output.
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Originally Posted by concealer404
(Post 1436840)
;)
Having the +5 that is supplied by the regulator in the MS3 is important, because analog sensors like this return a signal that is proportional to their supply voltage. If that supply voltage is 5% different between the A-D converter in the microcontroller and the sensor (which would not be terribly unusual), then your reading will be off by 5%. --Ian |
Originally Posted by codrus
(Post 1436845)
The Rev MS3 does not have +5 on the db37. It is possible it has it in the OEM harness (although I don't think so). When I faced this issue installing my MAP sensor, I opened up the MS3, picked an unused pin on the db37, and soldered a wire between the +5 supply inside the box and that pin.
Having the +5 that is supplied by the regulator in the MS3 is important, because analog sensors like this return a signal that is proportional to their supply voltage. If that supply voltage is 5% different between the A-D converter in the microcontroller and the sensor (which would not be terribly unusual), then your reading will be off by 5%. --Ian |
Originally Posted by codrus
(Post 1436845)
The Rev MS3 does not have +5 on the db37. It is possible it has it in the OEM harness (although I don't think so). When I faced this issue installing my MAP sensor, I opened up the MS3, picked an unused pin on the db37, and soldered a wire between the +5 supply inside the box and that pin.
Having the +5 that is supplied by the regulator in the MS3 is important, because analog sensors like this return a signal that is proportional to their supply voltage. If that supply voltage is 5% different between the A-D converter in the microcontroller and the sensor (which would not be terribly unusual), then your reading will be off by 5%. --Ian |
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