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#4767190 - 05/24/18 06:14 PM Oil for a 300ZX?
Puckrobber Offline


Registered: 09/06/16
Posts: 58
Loc: Washington
Evening, folks! Quick question....

I've just purchased a 1990 Nissan 300ZX with the NA (non-turbo) 6 cylinder engine. It has just under 78,000 miles on it, and has been driven very rarely in the last year or so, since it's last oil change. After a test drive, I checked the oil and it was a nice, clean golden color. The young lady selling it just had too many vehicles, and had to sacrifice one to be able to buy a new house.

My question is: I plan on an oil change in the next week or so. The specs call for 10w-30 or 10w-40. Should I stay with that weight of oil, or switch to a 5w? I'm in Washington, so, the weather averages from the 30's in Winter to the 80's in Summer. Not too hot, not too cold.

I don't plan on much Winter weather driving with it, that's what my Tahoe is for. Just looking for a reasonable oil for some top-down driving when it's nice. Thanks in advance!
_________________________
2016 Volkswagen Jetta 1.4T - 19,500 miles (Castrol EDGE 5W-40)
2002 Chevrolet Tahoe LT 4x4 - 138,000 miles (AC Delco 5W-30)
1990 Nissan 300ZX N.A. - 77,600 miles (Unknown)

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#4767205 - 05/24/18 06:27 PM Re: Oil for a 300ZX? [Re: Puckrobber]
Artem Offline


Registered: 10/30/10
Posts: 5119
Loc: Florida
I vote 10w30 if you don't plan on taking it out during cooler winter months.

10w40 would be ideal if you plan on beating on it CONSTANTLY like it's a rental.
_________________________
2014 Mazda 3 Hatch 2.0L & 6spd - Idemitsu 0w20 Synthetic @ $0.75 a quart.

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#4767225 - 05/24/18 06:47 PM Re: Oil for a 300ZX? [Re: Puckrobber]
Pelican Offline


Registered: 11/28/12
Posts: 151
Loc: Ajax,Ontario, Canada
Originally Posted By: Puckrobber
Evening, folks! Quick question....
I've just purchased a 1990 Nissan 300ZX with the NA (non-turbo) 6 cylinder engine. It has just under 78,000 miles on it, and has been driven very rarely in the last year or so, since it's last oil change. After a test drive, I checked the oil and it was a nice, clean golden color. The young lady selling it just had too many vehicles, and had to sacrifice one to be able to buy a new house.
My question is: I plan on an oil change in the next week or so. The specs call for 10w-30 or 10w-40. Should I stay with that weight of oil, or switch to a 5w? I'm in Washington, so, the weather averages from the 30's in Winter to the 80's in Summer. Not too hot, not too cold.
I don't plan on much Winter weather driving with it, that's what my Tahoe is for. Just looking for a reasonable oil for some top-down driving when it's nice. Thanks in advance!


I don't think that 5w was out in 1990 the lowest was 10W, so I think that it should be OK.

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#4767244 - 05/24/18 07:00 PM Re: Oil for a 300ZX? [Re: Puckrobber]
Puckrobber Offline


Registered: 09/06/16
Posts: 58
Loc: Washington
Thanks, Pelican! Wasn't sure if 5 weight was around then, or not. Figured I'd ask more knowledgeable people than me.
_________________________
2016 Volkswagen Jetta 1.4T - 19,500 miles (Castrol EDGE 5W-40)
2002 Chevrolet Tahoe LT 4x4 - 138,000 miles (AC Delco 5W-30)
1990 Nissan 300ZX N.A. - 77,600 miles (Unknown)

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#4767289 - 05/24/18 07:34 PM Re: Oil for a 300ZX? [Re: Puckrobber]
1JZ_E46 Offline


Registered: 04/04/16
Posts: 1229
Loc: Oregon
Most 10W-30s are all ILSAC oils these days (i.e. fuel economy leaning/thin oils... not what that engine was designed for). I’d run a non-ILSAC 30 weight (5 or 10W) that is ACEA A3 or C3 spec’d. Those are closer to a true (on the thicker side) 30 weight. An equally attractive option would be a dual rated CK-4/SN 5/10W-30.


Edited by 1JZ_E46 (05/24/18 07:35 PM)
_________________________
2007 BMW X5 4.8i, 105K: Castrol EDGE 0W-40, Mann
2012 Mini Cooper, 45K: Castrol EDGE 0W-30, Mann

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#4767290 - 05/24/18 07:35 PM Re: Oil for a 300ZX? [Re: Puckrobber]
aquariuscsm Offline


Registered: 12/30/06
Posts: 18182
Loc: Dallas,Tx USA
I use 10W30 Pennzoil Platinum and a Nissan OEM oil filter in my 300ZX. Per Nissan Z32 fsm,only use a 10W. From the 1990-1996 Z32 fsm:


_________________________
1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
Quaker State Ultimate Durability 10W30
2012 Honda Accord Coupe EX-L 2.4,auto,San Marino Red
Pennzoil Platinum 0W20



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#4767410 - 05/24/18 09:36 PM Re: Oil for a 300ZX? [Re: Puckrobber]
Puckrobber Offline


Registered: 09/06/16
Posts: 58
Loc: Washington
Thanks, guys! Appreciate the info, Aquarius!

The car doesn't have the owners manual anymore, so, I just went by a sticker under the hood. Wanted to get some solid opinions here first.
_________________________
2016 Volkswagen Jetta 1.4T - 19,500 miles (Castrol EDGE 5W-40)
2002 Chevrolet Tahoe LT 4x4 - 138,000 miles (AC Delco 5W-30)
1990 Nissan 300ZX N.A. - 77,600 miles (Unknown)

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#4767428 - 05/24/18 10:01 PM Re: Oil for a 300ZX? [Re: Puckrobber]
NormanBuntz Online   content


Registered: 07/27/13
Posts: 2132
Loc: Outer Banks, NC
I'd use 10w-30 for two reasons:
1. That's what the manual calls for.
2. It's cheaper than 5w-30 at many retailers.
_________________________
2017 Honda Odyssey SE, 14K
2013 Honda Accord LX, 58K
2007 Honda Ridgeline RTS, 86K
2007 Infiniti M35, 104K

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#4767536 - 05/25/18 05:39 AM Re: Oil for a 300ZX? [Re: Puckrobber]
JC1 Online   content


Registered: 11/29/08
Posts: 3019
Loc: Oshawa, Ontario Canada
Originally Posted By: Puckrobber
Thanks, Pelican! Wasn't sure if 5 weight was around then, or not. Figured I'd ask more knowledgeable people than me.


Yes 5 weight was out back in 1990.

I'd go with 5w-30 personally to start. Not sure of that engine is known for burning oil. Enjoy the car.
_________________________
2015 Grand Caravan SXT Plus 5w-20 PPPP/Wix Filter
1997 Honda Civic CX 5w-30 PPPP/Mahle Filter

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#4767570 - 05/25/18 06:59 AM Re: Oil for a 300ZX? [Re: Puckrobber]
kschachn Offline


Registered: 12/26/05
Posts: 9420
Loc: Upper Midwest
Originally Posted By: Puckrobber
Thanks, Pelican! Wasn't sure if 5 weight was around then, or not. Figured I'd ask more knowledgeable people than me.

Of course it’s not a “5 weight”, then or now. It’s a 30 weight regardless of the winter rating.
_________________________
1994 BMW 530i, 227K
1996 Honda Accord, 262K
1999 Toyota Sienna, 394K
2000 Toyota ECHO, 267K

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#4767571 - 05/25/18 07:03 AM Re: Oil for a 300ZX? [Re: Puckrobber]
rooflessVW Online   content


Registered: 12/24/11
Posts: 4086
Loc: North Carolina
0W-40 would suit it well.
_________________________
"Zed's dead baby, Zed's dead."

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#4767686 - 05/25/18 09:21 AM Re: Oil for a 300ZX? [Re: rooflessVW]
Vladiator Offline


Registered: 01/04/16
Posts: 728
Loc: NC
Originally Posted By: rooflessVW
0W-40 would suit it well.
I vote for 0W-40 as well. Would be a perfect match for that engine.
_________________________
Thicker oils give protection for severe operations such as driving in mountains, pulling a boat, dusty conditions, short trips, high rpm, overloading, overheating and overcooling. Thin oils give MPG.

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#4767725 - 05/25/18 10:06 AM Re: Oil for a 300ZX? [Re: Vladiator]
1JZ_E46 Offline


Registered: 04/04/16
Posts: 1229
Loc: Oregon
Originally Posted By: Vladiator
Originally Posted By: rooflessVW
0W-40 would suit it well.
I vote for 0W-40 as well. Would be a perfect match for that engine.


0W-40 is sort of a one-size fits all oil, and it seems to do the job, as shown in the UOA section.
_________________________
2007 BMW X5 4.8i, 105K: Castrol EDGE 0W-40, Mann
2012 Mini Cooper, 45K: Castrol EDGE 0W-30, Mann

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#4767983 - 05/25/18 03:29 PM Re: Oil for a 300ZX? [Re: kschachn]
Puckrobber Offline


Registered: 09/06/16
Posts: 58
Loc: Washington
Originally Posted By: kschachn
Originally Posted By: Puckrobber
Thanks, Pelican! Wasn't sure if 5 weight was around then, or not. Figured I'd ask more knowledgeable people than me.

Of course it’s not a “5 weight”, then or now. It’s a 30 weight regardless of the winter rating.


See, people do learn things on this forum! Appreciate the info. grin

Thanks for the 0w-40 suggestion, folks! I'll look into that as well.


Edited by Puckrobber (05/25/18 03:30 PM)
_________________________
2016 Volkswagen Jetta 1.4T - 19,500 miles (Castrol EDGE 5W-40)
2002 Chevrolet Tahoe LT 4x4 - 138,000 miles (AC Delco 5W-30)
1990 Nissan 300ZX N.A. - 77,600 miles (Unknown)

Top
#4768032 - 05/25/18 04:23 PM Re: Oil for a 300ZX? [Re: Puckrobber]
jayg Offline


Registered: 10/04/12
Posts: 1210
Loc: Rabbit Creek, Alaska
The naturally aspirated VG's aren't particularly picky or demanding with the oil. I would grab any 10w30 or 40 on sale.
_________________________
‘17 Ram 1500 Ecodiesel- RT6 5w40
'15 Prius C Napa 0w20
'73 240Z 10w30 VWC from '73
'73 Triumph Bonneville 750 M1 5w50
'67 BSA 441 Victor Special M1 5w50





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