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What's Wrong?

haruhatsu
19 Dec 07, 22:24

I just fix on a light weight crank pulley (SUMMIT) on my 4 1/2 yrs Honda Fit together during servicing, but turned out my fc drop fr 14.1km/l down to 13.7km/l. i tot the pulley suppose to produce better fc effect? btw i used KIC engine oil.