For those that swapped the green tops on to your m20, how much better did your mpg? And for the guys that dyno'd it afterwards did you see a hp increase?
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Originally posted by Mediumrarechicken View PostFor those that swapped the green tops on to your m20, how much better did your mpg? And for the guys that dyno'd it afterwards did you see a hp increase?
Yes and yes, but you got to use 2.5 bar fuel pressure regulator. smoother idle and better mpg
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