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Old 09-02-2014, 01:48 PM   #1
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maf peggin?

Ok my stock mass air flow sensor is pegging. Can I use a 90 mm 01 and up ford lightning maf or 03-04 cobra maf. I have a sct tuner 3015 and there is a 90 mm maf option in the strategy tune options, along with injector size options... question is will this maf bolt right up and plug in, and will the sct turner calibrate the maf or will I need a custom tune or dyno tune?
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Old 09-02-2014, 03:16 PM   #2
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You will need a 96-98 Gt or Cobra air box.
I'm not sure if using your current tuner to recalibrate for the larger MAF will work or not but it's definitely worth a try!
You'll need to let the ECM know about the change one way or another.
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Old 09-02-2014, 04:14 PM   #3
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On a stock 2v, a 90 mm MAF is in my opinion overkill.
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Old 09-02-2014, 04:20 PM   #4
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On a stock 2v, a 90 mm MAF is in my opinion overkill.
I believe that the 80mm is good up to about 400 whp or so.
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Old 09-02-2014, 04:30 PM   #5
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Originally Posted by straybullitt View Post
You will need a 96-98 Gt or Cobra air box.
I'm not sure if using your current tuner to recalibrate for the larger MAF will work or not but it's definitely worth a try!
You'll need to let the ECM know about the change one way or another.
I have a cold air intake, will it bolt to that?
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Old 09-02-2014, 04:34 PM   #6
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On a stock 2v, a 90 mm MAF is in my opinion overkill.
Not stock.. all bolt ons besides heads and cams... which is in the near future. . Its pegging out on thr dyno amd only making 249 wrhp
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Old 09-02-2014, 04:34 PM   #7
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I'm not sure.

What other mods do you have that you're pegging the MAF?
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Old 09-02-2014, 04:37 PM   #8
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Not stock.. all bolt ons besides heads and cams... which is in the near future. . Its pegging out on thr dyno amd only making 249 wrhp
Haha.
You need to find a new "tuner". You're barely above stock horsepower...
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Old 09-02-2014, 04:47 PM   #9
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I'm not sure.

What other mods do you have that you're pegging the MAF?
Cold air intake. Lower intake. 78 mm bbk throttle body/upper intake.Msd coil packs. Undrive pulleys. Long tube 1 3/4 primary headers. Cat less x-pipe. Magnaflow axle back exhaust. Billet flywheel.
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Old 09-02-2014, 04:55 PM   #10
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Cold air intake. Lower intake. 78 mm bbk throttle body/upper intake.Msd coil packs. Undrive pulleys. Long tube 1 3/4 primary headers. Cat less x-pipe. Magnaflow axle back exhaust. Billet flywheel.
Even with cams and heads the stock MAF should flow an adequate amount of air. Your throttle body is 2 mm smaller than the MAF.
You normally don't need to start upgrading the MAF until you do some form of Forced Induction.
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Old 09-02-2014, 05:00 PM   #11
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Even with cams and heads the stock MAF should flow an adequate amount of air. Your throttle body is 2 mm smaller than the MAF.
You normally don't need to start upgrading the MAF until you do some form of Forced Induction.
That is what I read. Maybe my maf is faulty.. same price for a lightning maf as it is for a oem maf. I just want to know if itll be compatible with out a dyno tune. I just dont wanna pay a guy yo basically do work thats as easy as setting up an email...
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Old 09-02-2014, 05:11 PM   #12
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Haha.
Yeah, I hear you!
Like I said earlier, its worth giving a try.

A MAF meter doesn't go bad unless it cracks or something like that... Its just a piece of plastic that air flows through. Perhaps your air filter is overly restrictive or maybe the MAF sensor is faulty.
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