Timing map help on EMB with pressure sensor - Miata Turbo Forum -Boost cars, acquire cats.

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Old 01-28-2009, 10:28 PM   #1
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Join Date: Nov 2007
Location: Virginia Beach, Va
Posts: 158
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Default Timing map help on EMB with pressure sensor

I bought a Greddy Pressure that I'am going to install on my EMB so I can pull timing under boost. (now using TPS not the best way) I'am going to be running 11 -12 psi does anyone have a EMB timing map based on that boost level so I can get a idea how to set it up ?


current setup
1999 Miata
360cc GTX injectors
Garrett T-25 .48/.49 (saab turbo)
Emanage Blue
FM 0/2 clamp
current A/F 11-11.5 wot @ 70% duty cycle
Base timing is 12* pulling 6* by wot
on 10psi boost (no knock)
elderc is offline   Reply With Quote
Old 01-30-2009, 08:27 PM   #2
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Join Date: Oct 2004
Posts: 171
Total Cats: 3

start pulling 1 degree of timing for every PSI your running starting at 2 psi.
Then at 6000-6400 rpm add back in 1 degree per psi
then at 6500+ add another 1 degree in.

between 2500-3000 add in one degree per psi and again another between 2000-2500 and another at 1500-2000.

its sounds a bit messy but once you have the timing map infront its easy to set up.
4sfed5 is offline   Reply With Quote

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