vital fluids
#1
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doing a conversion 6.0 lq9/ auto into a 73 formula, p/p heads, headers, vinci cam, ls6 intake, fuddle, shift kit, auburn posi etc. im wondering about the fluids. is royal purple worth it for the rear end and tranny and thinking just stay with mobil 1 for the engine? what would you pros recomend? just want the best/longest lasting? for a daily driver 12k a year, maybe power tour 2007 thanx joel