PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

MAF - vertical or horizontal ??

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Old Mar 14, 2007 | 06:37 PM
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Default MAF - vertical or horizontal ??

does it matter what position the MAF sensor/housing is in? can the wires be vertical or horizontal and still work correctly?

I'm thinking that if I rotate the housing so that the plastic center divider in the housing is horizontal, there will be less restriction since the air flow will go over and under it, instead of if it's vertical and the air flow is hitting against one side of that divider.

any thoughts?

Thanks!
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Old Mar 14, 2007 | 06:46 PM
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I've never tested it, but I've heard they should be oriented the same as the stock position.
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Old Mar 14, 2007 | 07:07 PM
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ok, thanks... I'm in the middle of playing with the intake now and will check back in a few minutes to see if there's more info/consensus on this issue.

thanks TAQ!
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2014 Camaro 2SS/RS - LS3, 6-speed manual, short-throw performance shifter, NPP dual-mode performance exhaust, 1LE front splitter, ZL1 rockers, Z28 Rear Spoiler, all paint-matched Red Rock Metallic, BMR strut tower brace, Cold Air Inductions cold air intake, Apex Motorsports, Inc. catch-can, Custom DiabLew Tune
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Old Mar 14, 2007 | 08:01 PM
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I'm just about ready to put everything back together... anyone else???
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2014 Camaro 2SS/RS - LS3, 6-speed manual, short-throw performance shifter, NPP dual-mode performance exhaust, 1LE front splitter, ZL1 rockers, Z28 Rear Spoiler, all paint-matched Red Rock Metallic, BMR strut tower brace, Cold Air Inductions cold air intake, Apex Motorsports, Inc. catch-can, Custom DiabLew Tune
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Old Mar 14, 2007 | 08:02 PM
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deleted - sorry, double post..
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2014 Camaro 2SS/RS - LS3, 6-speed manual, short-throw performance shifter, NPP dual-mode performance exhaust, 1LE front splitter, ZL1 rockers, Z28 Rear Spoiler, all paint-matched Red Rock Metallic, BMR strut tower brace, Cold Air Inductions cold air intake, Apex Motorsports, Inc. catch-can, Custom DiabLew Tune
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Old Mar 14, 2007 | 08:44 PM
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If you have it screened it probably doesn't care.

If you have one with no flow straightener, and an intake
tract that is curved close to the MAF then you may see
some airflow bias effects and rotating the MAF might find
you an orientation that is less sensitive to that.
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Old Mar 14, 2007 | 09:26 PM
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yeah, it's stock/screened... I just put it back to it's original orientation - or close enough... LOL

thanks!
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