oil change

FricFrac

That's a load - and totaly contrary to the Owner's Manual. I have my mechanic do my oil changes (for warranty documentation pourposes - do the oil changes myself on the other Z's) although that's not required. I have no idea where he got the idea of Mobil 1 as being the "other" acceptable oil since it doesn't have any Ester at all in it (Class III only).

I talked to my dealership and they said in all the G37's (our VQ37HR engine) the only time they've used the Ester oil is for the TSBs - never had a single client do an Ester oil change in the last two years.

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'09 370Z - '93 300ZX Vert - '83 280ZX - '83 280ZXT -'81 280ZXT stroker - '72 240Z - Stillen CBE, HFC, G3, Grounding Kit, Sways // Swift Spring // H&R 15mm // 5% Tint // Clear Bra //