Thread: maf's on tp's
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05-26-2009 11:00 AM #1
CHR Member
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- Car Year, Make, Model: 39 Ford Coupe, 32 Ford Roadster
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In 1990, GM changed to a speed density system that replaced the MAF. Note that the ECU is different between the mass air flow models and the speed density models.
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05-26-2009 05:11 PM #2
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- Car Year, Make, Model: '27 T Coupe
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Plus MAF has 9 injectors and Speed has only 8, and different wire harness. They went back to MAF in '93. 9th is for cold running (choke), speed adds to all injectors for cold running. Some like MAF, some like Speed Density, I have Speed, I don't like the looks of the MAF sensor, and I run a K/N nose filter on my MPI, I have converted my Hilborn to Speed Density with electronic injectors. MAF will learn things you add to the motor, Speed will need a new chip if you change the motor vacuum with a cam. Chips these days are everwhere, and cheap to have burned.
There is more to them, but thats the easy way to say it.
PatHemiTCoupe
Anyone can cut one up, but! only some can put it back together looking cool!
Steel is real, anyone can get a glass one.
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