The longer on(1010) you may have problems fitting the 1008 will function and fit great, I also drive hard in a closed are every other week or so and run redline 5-30 W/ K&N 1008

If you will be replacing oil early then you can save a dollar or two and use a smaller 1008

by using a 1010 you will reduce your oil pressure by a fractional amount by increasing the volume it can hold, however this amount is insignificant

I couldnt find redline at my parts store so i got the mobil1 ext protection, still full syn

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is mobil1 a "syn" or real syn like Redline :stirthepot:

Says advanced full synthetic, couple other ppl on a different forum recommended it as well

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tried both Mobil-1 and Motul, I do prefer Motul, engine runs smoother.

filter wise, tried OEM, Mobil and K&N, I suggest OEM and Mobil.

I try to use extra virgin olive oil. Sometimes I use canola oil if I'm on budget.

On a more serious note, I'd go with Mobil 1 Extended Performance (the gold bottle). I usually change the oil every 5k miles. If I drive a bit harder than usual, I'd get it changed around 4k. It really depends on how hard you drive.

Most important thing is to change it & check it on a regular basis.
Mine see's 7500r's every time i'm out in it & only use e-free93 fuel.
Mobil 1 5w30syn & Napa 47356 (Premium synthetic filter by Wix) is what i use...it's the long Nissan filter used on the GTR's,Trucks,etc...
Walmart has best prices on oil & past 2 changes have been with the Extended Performance version (Gold label) suppose to be better during cold start-up's.
My interval's are 2500mi./short for some people,but i drive the piss out of it.
76,540mi. on it; avg. about 1500mi.per month.
roughly $40 per oil & filter change.

K&n and mobil1 are essentially made by the same company i believe..both are very similar to one another just the k&n is a bit more expensive i think, but ill try the mobil1 filter on my next oil change..im just 100% staying away from fram

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After i flushed my A/7 trans@50k miles & seen how dirty it was,....i perform a drain & fill every other oil change to keep it clean (5,000mi about 4.5qts).
Valvoline Max-Life Multi Vehicle is the equivalent to the Nissan fluid & under $20 per gallon.

I'm pretty sure the Mobile 1 oil filter is made by Fram.

It could be, i could be wrong and have misread it..ill do some more research, just gornthe oil change done so im going tondrive it easy to first 100 miles and see how everything is..the dealership used a stp brand of oil filter so i dont know what kind of oil they used before i got it, they even had reg unleaded gas in it..not premium lol

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I'm not sure which makes which, but go by the feel, I have the best experience with Mobil and OEM filter.

One of my mechanics, whose a specialist on GTR, told me the OEM filter is actually very good, and he makes me try again and I can tell he's right.

I do change oil every 6000km

I'm not gonna bash another guy's oil,filter or interval....it's what ever is working for them.
Currently: eng.(Mobil 1) trans.(Valvoline) diff.(Motul)
Get on YouTube & look up some oil & filter video's...lot's of variation's & lot's of similarity's also!

I don't know what your dealership uses, but the two I have dealt with both used Mobile 1. Although a great oil, the manufacturer recommends ester oil. Redline is ester, and like I said, I noticed an immediate difference. I can't get Redline by me, but I order it from Amazon. It's worth the trouble of ordering it. You may also want to consider changing your transmission and rear dif fluid. The factory fluid isn't great. A quality fluid in both can make a noticeable difference. I also use redline in both. Is your Z a manual or automatic?