FMU always run rich?

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04-15-2003, 01:12 PM

Last_Mohican

1.0 BAR

Thread Starter

Join Date: Apr 2003

Posts: 218

FMU always run rich?

I have heard there is no way to tune with a FMU but is that okay or will i jsut be running rich all the time?

04-15-2003, 01:21 PM

rickys2000si

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Posts: n/a

Re:FMU always run rich?

the 12:1 fmu normally makes the cars run a bit rich at wot however better rich than lean.

from personal expierience for low boost honda i would use a 10:1.

04-15-2003, 03:11 PM

PhoenixGSR

0.5 BAR

Join Date: Jan 2003

Posts: 82

Re:FMU always run rich?

you just need something tunable to go with it, like an afc

04-15-2003, 04:06 PM

beerbongskickass

0.0 BAR

Join Date: Dec 2002

Posts: 0

Re:FMU always run rich?

Quote:

Originally Posted by PhoenixGSR

you just need something tunable to go with it, like an afc

You wont's need the FMU if you get an s-afc or v-afc. This should be in the engine management section.

04-15-2003, 04:46 PM

turboboy

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Posts: n/a

Re:FMU always run rich?

you can tune a preset fmu or get an adjustable one...just add a bleeder vlave with a check valve on the vacuum line going in so the fmu sees less boost and leans out a little

04-15-2003, 09:42 PM

Tad

1.0 BAR

Join Date: Jan 2003

Posts: 422

Re:FMU always run rich?

Quote:

Originally Posted by ghettoturbo

you can tune a preset fmu or get an adjustable one...just add a bleeder vlave with a check valve on the vacuum line going in so the fmu sees less boost and leans out a little

how difficult is this to do?