Mass air flow....Why should I get a bigger one

White 89 · April 29th, 2008, 09:30 AM

I just ordered up a BBK CAI for my 89. I was looking at the Mass Air Flow.

Why should I get a larger one.

What does it do?

Fill me in because I don't know anything about them.

My motor is all stock as of right now.

fogged306 · April 29th, 2008, 09:54 AM

Larger housing lets more air through, the stock one is like 55mm I believe, not 100% on that, but its small. The electronics are calibrated to your injector size, if you change injectors, you have to either get different electronics cal'd to that size or go into your computer with a tuner and change the MAF properties.

April 29th, 2008, 09:30 AM	#1
White 89 Enthusiast Join Date: Oct 2007 Posts: 825 iTrader: 0 reviews	Mass air flow....Why should I get a bigger one I just ordered up a BBK CAI for my 89. I was looking at the Mass Air Flow. Why should I get a larger one. What does it do? Fill me in because I don't know anything about them. My motor is all stock as of right now. __________________ 1989 mustang GT 5.0

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April 29th, 2008, 09:54 AM	#2
fogged306 MM Fanatic 89 GT Join Date: Apr 2007 Location: NY Posts: 4,875 iTrader: 2 reviews	Larger housing lets more air through, the stock one is like 55mm I believe, not 100% on that, but its small. The electronics are calibrated to your injector size, if you change injectors, you have to either get different electronics cal'd to that size or go into your computer with a tuner and change the MAF properties.

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