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  1. M

    what filters not to use w/ mobil one

    are their any oil filters to avoid when using mobil 1 oil or any non - dino oil .. i know fram is no no .. been using purolator pure one & mobil 1 on my wife's 1999 miata .. thanks for the input
  2. M

    what are the reasons for using thicker oil ??

    being using castrol gtx 10w-30 in a 99 f-150 4.2l v6.. manual states use 5w-30 .. what (if any) reason should i use say a 10w-40, 15w-40, 20w-50 etc ..my truck has 62000 miles just curious ..
  3. M

    seldom driven miata dino or synthetic

    my wifes miata 1999 with 33k miles driven very few miles ( less than 5 per day ) .. need advise on which oil to use dino or synthetic .currently using 10w30 castrol gtx changed every six months ..should i be using mobil 1 instead .. did a search on this topic did not really come up with a...
  4. M

    mt-90 or mtl for 1999 miata ???

    need a little feedback on which tranny fluid to use from redline .. live in south florida so i am leaning towards the mt-90 .. what i have read the gl-4 is better for brass parts but the owners manual states either gl-4 or gl-5 is ok ..thanks for any input ..
  5. M

    80W90 vs 75W140

    had jiffy lube change my rear diff oil ( i know that was a BIG mistake ) they put in 80w90. my repair manual says to use 75w140 .. will i be ok with this 80w90 in a 1999 f150 w/ 3 55 non-ls rear end . or should i change to 75w140 as soon as possible.. i called a local ford dealer here in miami...
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