hello everyone, I just pulled a turbo 1.8l out of my integra and put a d15z1.
I will be putting a turbo on it soon I want 45+ mpg and gsr hp. It seems that everyone here is forgetting that 1/3 of a car power slips out the tail pipe.
1.8 b18c1 turbo with cummings holset turbo, light flywheel, Ls 5th gear, 15" si wheels= 32mpg.
1.5 d15z1 (soon to be) turbo hope it gets better mpg.
onefastcar 
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