1998 STS Cadi! 2nd oil change using PP

Messages
23
Location
Ontario Canada
Changed her at (4months) 7000km.....Oil was JET BLACK....is this normal? Was using mobil 1 before reading this site and found so many PP users!!!! Thanx guys!!!! Nick
 

SIXXDOGG

Thread starter
Messages
23
Location
Ontario Canada
Was using Mobil 1 changing every 6 to 7000km.....This was a used engine (100 000km) that was put in the car 2 years ago since the head gaskets were wrecked... Only 2 oils this motor has seen since in my car was Mobil 1, Mobil 1 EP and PP 7000km is the MOST I have ever gone...scared to go more!!!!
 
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