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  1. R

    Idled cold on new oil for 10 hours. Run it or change again?

    EJ22 Subaru Legacy using M1 FS 0w40. Just changed the oil last week. I steam cleaned the interior and overwet the floor carpeting. Due to cold and wet weather and lack of a warm garage, my only option to dry the carpets was to idle the car with the heat blasting. I estimate I probably idled...
  2. R

    Any 7M owners out there?

    I own two MK3 Supras, 1988 & 1989. They both have the 7MGE n/a engine. Been using M1 EP 10w30 in both. One is a new engine rebuilt in January. I've ran the M1 since the first 500 mile change. Both use some oil between changes, enough to top off occasionally. Considering going up to a 40 grade...
  3. R

    Is 5w30 "better" than it used to be compared to 10w30?

    On many vehicles specifying an SAE 30 multigrade, 5w30 (as opposed to 10w30) used to not be recommended for anything except very cold places. Has this changed with the advent of modern synthetics? I own three 1988-89 Toyotas (7MGE, 22RE) and a 1997 Subaru Legacy with a rebuilt N/A EJ22. All of...
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