here's a solution: mobil1 15w50 exteended with the m1-301 filter. my car's down to a quart every 5k instead of every 1k.
change every 20k.
ps: the car holds a full 5qt with the 301.
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rotors to motors...we'll fix anything...except a toyota.
2.0S jetta glx-i...13.765@105.6
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