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gredy fmu, what is the ratio??12:1 or 8:1?

Old 03-06-2003, 08:28 PM
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Default gredy fmu, what is the ratio??12:1 or 8:1?

does anyone know the answer to this quaestion? the fmu came with the d16 sohc greddy turbo kit....just wondering any thoughts?
brax90si is offline  
Old 03-07-2003, 02:10 PM
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Default Re:gredy fmu, what is the ratio??12:1 or 8:1?

i dunno what the ratio is, I just know it works by detecting MAP signal (boost level) and reduces that signal to the MAP sensor (to prevent a check engine light) then it controls the 4 injectors to make them pulse longer...
It seems more true time than a ratio to me.
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Old 03-07-2003, 02:24 PM
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Default Re:gredy fmu, what is the ratio??12:1 or 8:1?

Originally Posted by Chacko
i dunno what the ratio is, I just know it works by detecting MAP signal (boost level) and reduces that signal to the MAP sensor (to prevent a check engine light) then it controls the 4 injectors to make them pulse longer...
It seems more true time than a ratio to me.
Are you sure? My FMU works by reading boost pressure from a vac line and pushing out a 12:1 ratio of psi of boost to psi of fuel. You probably have a 12:1, but don't quote me on that. That's what I have in mine.
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Old 03-07-2003, 06:07 PM
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Default Re:gredy fmu, what is the ratio??12:1 or 8:1?

The greddy kits don't include an FMU like what you have. They include an electronic piggy back device.
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