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hi guys, can you help me out on what afr should i use with my fsze, im using adaptronic e420c ecu. im using 4-2-1 stock headers of the fsze engine mazda speed,and 2 inch pipes with no cats and CAIS. my current afr are 15.4 @ 0-25kpa. 15.0 @ 50-55kpa. and 14.1 @ 75-100kpa. please help,any ideas...

hi guys, please help me. its my first time to use a coil over. i have bc racing br type for Mazda protege mp3. im still confused for the settings.how to adjust this? please help. thanks and my apology for a dumb question.. thanks..

Hi guys, can somebody help me please.. im confused if ill use the 170mm shell 120mm tip and 75mm inlet size of HKS Hi-Power Muffler. or just the 130mm shell 96mm tip and 60mm inlet size.. which is the best for our MP3 without turbo.should i get the biggest size? my current set up is, Cold Air...

hi guys,i have a very wild vibration and shaking at the front, while braking at 80mphkph. but it starts to appears at 70mph. so from 70mph up, when im braking, it shakes and vibrates like hell.. last month i changed my control arm bushings,and stab links. replace brake pads. refaced brake...

Hi guys, any idea on what should be the perfect and balanced tube size for our MP3 exhaust system.i have a full bolt on stainless steel exhaust system from thunder exhaust system co. and its 2" in diameter. is this good or should i go bigger? my set up is, Port and Polished cylinder head,iriway...

hi guys, can wqe use FS-ZE computer box in our MP3? do they have the same pinouts?

hi guys, can we use FS-ZE ECU in our FS-DE? i mean are the pins the same?