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nnakicksass-what brand oil-what weight?
nnakicksass,what brand of full syn and what weight did you use.I have gotten about 20.5 hy at ~68-70 with Mobil 1 5w30.I can get as bad as 12 in very heavy city(New Orleans),or 16.6 in city when I spend about half the time on expressways.Thanks.Charlie PS You guys built a really nice efficient engine-all this power-pushing a 5000 lbs brick ,but we can still hit 20 mpg.!
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