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Originally Posted by Conecrusher
Should the injection nozzle be installed in place of one of the press in steel bungs in the STi manifold downstream of the throttle body or in the rubber sleeve between the intercooler and the throttle body?
I can email a picture to anyone willing to discuss this with me.
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On a Subaru STI, installed a single alcohol injection nozzle in the underside of outlet tank of the IC. That places the spray pattern directly in the path to the opening (upstream) of the throttle body. That location is a turbulent area for very good mixing as the intake air is greatly accelerated into the throttle body. It's also a very neat looking solution.