2006 Mercury Grand Marquis 88,400 miles
Out - Gtx Blend 5w20 & Motorcraft 5,800 miles on OCI
In - Valvoline WB 5w20 & Motorcraft (next OCI will be maxlife)
2004 Mercury Grand Marquis 116,145 miles
Out - Maxlife 5w20 & Motorcraft 6,800 Miles on OCI
In - Maxlife 5w20 & Napa
Out - Gtx Blend 5w20 & Motorcraft 5,800 miles on OCI
In - Valvoline WB 5w20 & Motorcraft (next OCI will be maxlife)
2004 Mercury Grand Marquis 116,145 miles
Out - Maxlife 5w20 & Motorcraft 6,800 Miles on OCI
In - Maxlife 5w20 & Napa
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