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Old 02-07-2014, 11:25 PM   #1
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What else do I need for a maf conversion???

I've got an 88gt i want to convert to mass air. I found someone selling some of the parts:
Mass air harness
Injector harness
Mass air meter
All from an 89

What else do I need to complete the conversion?
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Old 02-08-2014, 09:04 AM   #2
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Parts needed:
Mass Air Flow meter: Get a MAF calibrated for the injector size you are using. If you are using an aftermarket recalibrated MAF and are also installing larger injectors, keep in mind this can cause problems with ignition timing (leading to part throttle detonation) along with some drivability problems.

MAF mounting hardware: MAF bracket, 3 MAF mounting screws, and 2 sheet metal screws to mount the bracket to the shock tower.

MAF power/signal harness: This is the MAF connector, 4 wires that go to the EEC computer, and EEC-IV connector pins for two of the wires.

MAF Air tubes: These are the tubes which go between MAF meter and engine and MAF meter and air filter box plus the clamps.

(Optional): Three EEC-IV pins and wire to hook up VSS and FPM2 signals.
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Old 02-08-2014, 09:10 AM   #3
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So basically I just need the mounting hardware and mass air tubes? And also what if I don't know what size injectors the meter is calibrated for? I believe it's a stock meter so would it be calibrated for 19lb injectors?
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Old 02-08-2014, 10:27 AM   #4
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If it stock you'll need the 19lb injectors.

The only difference is if you use the Cobra MAF system is a little different than the GT/LX MAF system. The Cobra EEC-IV and MAF have been recalibrated for use with 24# injectors rather than the 19# injectors that the 'regular' 5.0 EFI engines use. If you are installing a Cobra system, you should use a Cobra computer, Cobra MAF, and 24# injectors.
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Old 02-08-2014, 10:27 AM   #5
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Ok
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Old 02-24-2014, 06:37 PM   #6
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You need to change the map sensor on the fire wall behind the intake. The 88 has a vacuum line from the upper intake manifold attached to the map sensor. You can just cap off the line on the intake.
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