TwinTurbo.NET: Nissan 300ZX forum - It's a little hard to tell but...
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Subject It's a little hard to tell but...
     
Posted by Stadsport (Nick@CZP) on October 15, 2012 at 6:42 AM
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In Reply To Fuel Injectors Test Question (with Video) posted by 300zxWpg on October 14, 2012 at 03:38 PM
     
Message There are a couple of things you might try doing if you wanted to make it a little more scientific/obvious. Put a piece of black plastic behind them so the fuel is clearly visible on the camera for one. You could also get a graduated cylinder and do a test, for example, where you measure how much total fuel is injected after 5 fires, then compare each injector individually.

If you wanted to be really cool, you could apply voltage for exactly 1 minute and see how much fuel it injects. If your fuel pressure is correct (43.5psi I believe it is?) you should get the exact flow "rating" For example, if those are stock TT injectors, you should get 370cc of fuel out of one open and spraying for 1 minute.

     
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