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Uprev maf tuning

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Old 10-15-2012, 04:09 PM
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lp_turbo
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Default Uprev maf tuning

I have already dyno tuned my car but i installed a gt uprev maf for some reason..so, i need a complet dyno retune or just retune compensation map ?

thx
Old 10-16-2012, 07:52 AM
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djamps
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Originally Posted by lp_turbo
I have already dyno tuned my car but i installed a gt uprev maf for some reason..so, i need a complet dyno retune or just retune compensation map ?

thx
Both. Whole retune.
Old 10-20-2012, 10:41 AM
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lp_turbo
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Ok, that influences also the timing map..? :S

Thanks
Old 10-20-2012, 11:54 AM
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tonyzS/C03
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no it has no affect on the timing map, but will affect both your MAF table and fuel tables if i'm not mistaken.
Old 10-25-2012, 06:14 AM
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djamps
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You should recheck timing after adjusting fuel, because the ECU calculates actual timing based on the amount of fuel flowing. Remember, you're not plugging in actual timing numbers, you're plugging in 'burn time'. The ECU calculates actual timing based on the amount of time it would take X amount of fuel reach MBT. So changes to fueling WILL affect timing.
Old 10-28-2012, 04:34 AM
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tonyzS/C03
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Originally Posted by djamps
You should recheck timing after adjusting fuel, because the ECU calculates actual timing based on the amount of fuel flowing. Remember, you're not plugging in actual timing numbers, you're plugging in 'burn time'. The ECU calculates actual timing based on the amount of time it would take X amount of fuel reach MBT. So changes to fueling WILL affect timing.
thank you for correcting me on that. This also makes sense to the values that are in the the timing maps as well, thanks.
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