Quote:
Originally Posted by atomicradish
My car has always burned oil, so I don't bother with expensive synthetic oil anymore. I used to use Valvoline MaxLife Synthetic Blend and I think I got slightly better MPG results but it could be entirely anecdotal.
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You all need to be made aware that synthetic blends might only be 20% synthetic! You can get the same or better results bt using a qt of full synthetic and the remainder as regular oil.
A few years ago the oil brands started pulling zinc out of their oils and now a lot of racers and older cars are starting to have issues with camshafts and bearings. I change my regular oil every 2000 miles and my 1sr motor lasted 100K, second motor 150K, but my 3rd motor has ruined rod bearings and the cam is worn .005"......I will use synthetic in every thing I own now...they don't have that problem.
As far as filters...Fram and K & N are no better than a reguler Purolator or Wix. The Purolator Pure One is also no better....some where out there on the web is an oil filter study...all tested were cut appart and dismantled. A lot of the filters use cardboard and glue...some have tendencies to fall apart internally during race or hard use applications...they wont stop oil, just wont filter as well.