Recent content by DrJ

FD777 stated in his post on 4/3/06 that he wouldn't recommend GC for any engine that asks for 5w20 (ie nothing below 30 weight) I have a 2006 Miata 2.0L engine that uses 5w20. Would I make a mistake trying GC? Thanks, DrJ

Mazda recommends 5w20 for my 2006 MX-5 2.0L engine. I would like to know which brand is likely to be the best. Also, is this weight the best for me, only street driving, no motorcross. I'm sure this topic has been covered before, but I couldn't find my answer in Search. Thank you, DrJ

This is my first post on BITOG and I would like to know what your advice is to the best gear oils to use on my 2006 Mazda Miata with 6 speed manual trany and LSD differential. There are lots of queations about GL4 or GL5, 75w90,etc? I'm looking for brands and weight and if any additives are...