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Old 07-27-2009, 07:27 PM   #1 (permalink)
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MR2 4AGE turbo project

Hey guys...
I have recently been planning on installing a turbo on my 4age MR2... I think i have almost everything figured out. I planned on using the turbo from a mercury capri XR2, along with the injectors. They are 300 cc and from factory and the turbo boosts around 7 or 8 psi which is my goal. I planned on using these injectors and turbo because i can get them from a junkyard for extremely cheap. Should i go for different injectors? I have thought about using ones from a 4agze, however they are hard to find. As far as i know the injectors from the B6t should fit, but i know that they are high impeadance, and i know the injectors from the mr2 are low impeadance... i've heard that i need to remove the resistor pack, but how do i do this? Anyway, the turbo oil line will be plumbed from the oil pressure sending unit, a good water line hasn't been found yet, but shouldn't be to hard to find. I'm thinking that i am going to use an Apexi Neo to compensate for the turbo, since i've read that i can change the injector duty cycle up 50%. Also, the computer will run in closed loop mode, meaning it will use the oxygen sensor to fix the air fuel mixture. The neo should only be used with the computer goes into open loop mode at full throtle. With larger injectors, it should run pretty smoothly. The AFM will be mounted before the turbo. How does this setup sound?
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