I been using MMO 5oz 13gallon on my mustang gt and camaro z28 for year, last week I bought this jeep and I cant beleive It hold 20 gallon and it cost me over $50 to fill it up, anyway, I add 10oz of MMO. I know 4oz every 10 gallon, but 10oz or 9oz its ok ? what you guy think.
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