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yeah thats why lexus went to almost complete GR series engines with the exception of the 1GR in the trucks, theres the 3.5L - 2gr, the 3.0L - 3GR, and the 2.5L 4GR, now the 1UR is the EXACT same as the GR series except they added more cylinders so they had to start a new series, but the blocks...

actually the 1UR uses D4-s which is Direct Injection Superior, not only is it direct injection but it also has port injection and will use whichever it decides is optimum for the situation! I am a Lexus Tech so i am free to answer questions!