Mike98GT said:What kind of engine oil do you use and why? Is synthetic worth it?
u_s_marine said:Mobil One --- If its good enough to be in porsches, corvette, etc....... Its good enough for my cars

Roush21 said:Why does everyone always say that? WHO cares what the factory puts in porsches and corvettes? Of course there going to put in a synthetic. You think they are going to put in a high top quality one that cost more or use a synthetic that isnt 1/2 as good as amsoil? No because they're not going to waste their time paying more and waiting for the amsoil or royal purple. Mobil 1 is cheap and you can get it basically anywhere. Here look at this graph from amsoil (royal purple not tested because it would either beat amsoil or be just as good and royla purple is a dollar or 2 less than amsoil that is why they wouldnt test it) The mobil 1 0W30 is way at the bottom of the list and this is tested to the amsoil 0W30 now the Mobil 1 5W30 does come in 2nd right behind amsoils 0W30 and if you notice 2nd isnt really all that great. SO mobil 1 is a good oil if you buy the 5W30 but not near as good as it competiters.![]()
Graph? I suspect it's something like comparing the horsepower on 6 different motors that range from 402 HP to 418 HP and blowing up the graph with 400 at the bottom and 420 at the top. Of course they will always exaggerate their products because they have to convince you that their product is worth 2X-10X what their competitors charge. Bottom line, don't believe everything you read, particularly when it is posted by someone wanting to part you from your money. 
The BEST is AMSOIL. use the oil and filters. The filters are built alot beter than fords. They are thicker metal and better filter than ford. Also Amsoil Makes a 5w20 whitch is recomend when it is under warranty. Amsoil is Great to deal with also. Mobile 1 is nowhere near as good as Amsoil and Roral purple!Mike98GT said:What kind of engine oil do you use and why? Is synthetic worth it?