what oil to use??
08-23-2011, 10:59 AM
#1
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what oil to use??
i have a Grand Touring Z with about 15k miles, what would be the best oil to use ?
brand, weight, synthetic or non
i stay in texas where temp goes up from triple digits in the summer and about 20's to 30's in the winter time
i can get Full Synthetic Valvoline 5/30 for free from work (Nissan Dealership)
any input would help! thanks!
brand, weight, synthetic or non
i stay in texas where temp goes up from triple digits in the summer and about 20's to 30's in the winter time
i can get Full Synthetic Valvoline 5/30 for free from work (Nissan Dealership)
any input would help! thanks!
08-23-2011, 12:20 PM
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You'll hear oil brands from Mobil One to Royal Purple to Castrol, etc...... as long as you use a good brand and change it regularly at the recommended intervals, you'll be fine. Free Synth Valvoline should be just fine.......
08-23-2011, 12:30 PM
#5
The issue of the kind of oil to use is really overblown.As long as the "service" codes
meet what is specifide for your engine and the correct weight,you'll be ok.
Easy...don't use cheap oil,spend money on a good filter.Changing oil every 3,000 miles for normal use is not necessary.
Concerning the Z,my 03 that I bought new has over 74k miles on the clock.I change the oil every 5-6,000 miles.I've always use Valvoline 5/30 semi-synthetic.My Z uses no oil between changes.Most driving is a combination around town&interstate.
The oil companies want to sell oil.Filter companies..sell filters.Oil change places want
your money...
Unless you are on the track,heavy duty high speed driving,save your money and buy that mod you've always wanted for your Z!
meet what is specifide for your engine and the correct weight,you'll be ok.
Easy...don't use cheap oil,spend money on a good filter.Changing oil every 3,000 miles for normal use is not necessary.
Concerning the Z,my 03 that I bought new has over 74k miles on the clock.I change the oil every 5-6,000 miles.I've always use Valvoline 5/30 semi-synthetic.My Z uses no oil between changes.Most driving is a combination around town&interstate.
The oil companies want to sell oil.Filter companies..sell filters.Oil change places want
your money...
Unless you are on the track,heavy duty high speed driving,save your money and buy that mod you've always wanted for your Z!
08-23-2011, 12:44 PM
#6
There was a thread started by a member called Resolute on this website. He headed an oil analysis with the help of fellow board members.
If I remember correctly, for the VQ35DE engine, Mobil 1 0w-40 was the best oil as far as protecting your engine form wear. The WORST oil in the comparison was Royal Purple.
The analysis was done by members sending a quart of oil or so to Blackstone Laboratories in Arizona, I believe. They went through the oil to look for trace amounts of various metals such as molydenum, chromium, nickel, iron or whatevber our engines use to see if the oil was providing adequate protection for a variety of areas.
Again, based on the findings, Royal Purple was the WORST in the analysis and Mobil 1 0w-40 was the best.
I have been using Mbil 1 0w-40 ever since and the car is strong and smooth as ever.
If I remember correctly, for the VQ35DE engine, Mobil 1 0w-40 was the best oil as far as protecting your engine form wear. The WORST oil in the comparison was Royal Purple.
The analysis was done by members sending a quart of oil or so to Blackstone Laboratories in Arizona, I believe. They went through the oil to look for trace amounts of various metals such as molydenum, chromium, nickel, iron or whatevber our engines use to see if the oil was providing adequate protection for a variety of areas.
Again, based on the findings, Royal Purple was the WORST in the analysis and Mobil 1 0w-40 was the best.
I have been using Mbil 1 0w-40 ever since and the car is strong and smooth as ever.
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08-23-2011, 04:03 PM
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I use 5w30 royal purple and change every 6K (UOA have been perfect as perfect can get, minimal wear in all categories)
08-23-2011, 05:43 PM
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I always find it amusing how folks claim that their conditions are harsh in 100 degree weather when the oil will hit 180-200 deg F as normal operating temperature anyway. It does not matter if it's 50 degrees outside or 100, the oil will reach it's operating temp anyway.
Where synthetics shine is in low oil temperature performance such as in start up. Most don't realize this, but more wear occurs in the first three minutes of starting a cold car than in two hours of "high" temp operation.
