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Old 06-28-2009, 10:10 AM   #1
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Default maps for 9093pnp

i have a 1990 1.6 greddy wide band e boost 255pump
i installed the ecm yesterday it runs but im lost in tuning
if someone has a map thats close to my setup mabe i could load it to have a better idea of where to go
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Old 06-28-2009, 10:28 AM   #2
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Details, details...

What size injectors are you running, for starters?
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Old 06-28-2009, 10:37 AM   #3
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stock installed now but i have a set of 550 rc's ready to go in
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Old 06-28-2009, 12:55 PM   #4
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IIWY I'd load the basemap for now and run it through MLV a few times. When you install the 550s, then make the necessary changes to req fuel and run through MLV some more. There are some good starting points out there for 550-size cranking tables if you do a quick search. Your pump, wideband, and boost controller are good examples of irrelevant mods for this topic, BTW, since they don't affect the tune.
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Old 06-28-2009, 02:04 PM   #5
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Actually doesnt the pump increase fuel pressure? That would change his tune.
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Old 06-28-2009, 02:11 PM   #6
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Quote:
Originally Posted by sbkcocker499 View Post
Actually doesnt the pump increase fuel pressure? That would change his tune.
Nope, the fuel pressure regulator determines pressure, if it is stock you will still have stock pressure on the fuel rail.
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Old 06-28-2009, 02:33 PM   #7
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Meh, the 255 is said to increase idle psi slightly, so that would affect the tune slightly. Slightly.
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