Actually it is white is water blue is oil. He is correct about the bolts in the flywheel but also there is a way to tell by the different oil pans. I forget exactly how it goes but one on the crank side has more of a dip then the other. If you have a non turbo eclipse then I wouldn't use a turbo ecu because of injector size difference and I'm sure other reasons. If you have a talon turbo then yes you can use an eclipse turbo ecu. Your ecu is located behind your radio. Take the panels off by where your accelerator pedal is and you'll be able to see it. The fastest way to check your alternator is have the car running and unhook the ground wire from the battery terminal, if the car continues to run it means the alternator is good. Now for your 16g question, yes it will bolt right on if your car is turbo. If not your going to have to change a few things. Also if your car is already turbo and you want to put a 16g on you might have to get a longer oil return line or feed line.
Hope this helps.
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Last edited by rairai; 07-22-2010 at 10:07 PM.