Reccommendations for 88 GQ Engine oil

Submitted: Sunday, Feb 29, 2004 at 21:35
ThreadID: 10902 Views:1559 Replies:3 FollowUps:10
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Could I please have a recommendation for a particular brand of oil for my GQ.
Last change I used Penzol 15-40 but after the change I noticed the oil light takes about 5 secs to go out and the oil pressure can drop to the bottom of the gauge when warm at idle. I would rather never actually see the oil warning light come on!

Cheers
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Reply By: Truckster (Vic) - Sunday, Feb 29, 2004 at 21:49

Sunday, Feb 29, 2004 at 21:49
That would be the filters your using... Stick with Genuine Nissan filters, they are no more than a Ryco from Kmart, COOPERS filters are worst for oil pressure..

Oil: Shell Rimula X - mate has 540,000 on his 89 GQ so far, still going strong always Rimula X
AnswerID: 48691

Follow Up By: Jimmy - Sunday, Feb 29, 2004 at 22:42

Sunday, Feb 29, 2004 at 22:42
Thanks Truckster, I had a look at the shell website re: Rimula X they say it is recommended for "Modern high speed turbo charged deisel engines of japanese or European decent" Not quite what I am driving :) But hey if it works.... I would rather listen to experience than ads

Who do you buy your oil filters from? Nissan dealer or other

Cheers
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Follow Up By: pathfinder - Monday, Mar 01, 2004 at 12:29

Monday, Mar 01, 2004 at 12:29
if Coopers are worst for oil pressure, does that mean they are more restrictive - i.e. finer filament and therefore likely to do a better filtering job?
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Follow Up By: Martyn (WA) - Monday, Mar 01, 2004 at 13:10

Monday, Mar 01, 2004 at 13:10
Pathfinder,
Other way round, no restriction therefore worse oil pressure, allows bigger bits through to wear away your mains, big ends bores etc etc, mind you if you don't mind me saying if we're relying on the oil filter for oil pressure I think we need to be looking a bit deeper. Buy your filters from Nissan about $9 each I think.Keep the shiny side up
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Follow Up By: pathfinder - Monday, Mar 01, 2004 at 13:23

Monday, Mar 01, 2004 at 13:23
in that case I would be curious to know where Truckster got the info on Coopers from. They are a large respectable company that provide filters to some vehicle makes as OE, so would find it hard to believe that they provide poor filtration...
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Follow Up By: Truckster (Vic) - Monday, Mar 01, 2004 at 21:25

Monday, Mar 01, 2004 at 21:25
Jimny,
Nick drives an 89 GQ with a TD42 not a "Modern high speed turbo charged deisel engine of japanese or European decent"

540,000klms later he still uses Rimula X (tryin to find out where to buy 20ltr drums of it would be easier!) and now so do I...

Why not use oil better than recommended?

Oil and filters are CHEAP.. engine rebuilds are not, TD42 is about $6-8000 for a rebuild.. I know what I would prefer...

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Pathy...

I had a set of Coopers fitted to the GQ once when I was too lasy to do the oil change myself.. Started the car, and it was a good 8-12 seconds (hard to be 100% certain, but it was long enough to get my eyes to nearly fall out) before the pressure gauge moved... I bleep bricks...

Went back inside and asked what the story way, they told me Coopers have no drain back in them but are cheaper than Genuine, and since I didnt specify genuine etc, thats what they used (at least he was honest..) What happens is all the oil always MT's out of the filter each time when its sitting for hours.. This is how it was explained to me by the bloke...

I stopped at Nissan on way home and got 2 genuine ones, and when I got home, drained the oil, threw the Genuine ones on, and thew the Coopers away, filled the oil again and it was instantly cured. 2-4 secs if that to get pressure. Didnt save me any time at all! cost me in the end :(

The cost of genuine ones was about $1 more...
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Follow Up By: Martyn (WA) - Monday, Mar 01, 2004 at 21:51

Monday, Mar 01, 2004 at 21:51
Pathy,
Stick witn Trucksters info, I was unaware about the absence of a spill back or NRV within the filter, I wasn't sure about the micron rating of the filter, I'm still not able to comment on that, but I'm sure they will differ slightly, I wasn't out to slag of Coopers either I don't have enough information, I use the genuine Ford one on my Range Rover (Work that one out) and a genuine Nissan on on my Patrol, I have also used Ryco with no problem at all, never used Cooper filters and after this little lot I won't be either. Keep the shiny side up
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Follow Up By: Big Trev - Saturday, Mar 06, 2004 at 08:40

Saturday, Mar 06, 2004 at 08:40
I am servicing the Maversick this weekend before the big trip over to the West.

I have always run Ryco filters, but based on the info here I decided to buy genuine Nissan ones. I asked the sales guy yesterday (Friday) for the genuine ones as I understand that help retain oil pressure, etc, etc.

He pulled 2 off the shelf and said that $24 each.

I said WHOA!!.

He stated that there were 2 types of genuines ones, one that has "the valve" to help maintain the oil pressure at $24 each, and the standard genuine ones for $9 each. I took the $9 ones.
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Follow Up By: Martyn (WA) - Saturday, Mar 06, 2004 at 23:38

Saturday, Mar 06, 2004 at 23:38
Big Trev,
I was unaware of that, the genuine ones I bought from Nissan that cost $9 still had a spill back valve, maybe the $24 had a sooper dooper one, I never had any problems using the $9 ones for the 50 odd K I did with them installed. You'll be fine I'm sure.
Keep the shiny side up

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Follow Up By: Truckster (Vic) - Monday, Mar 08, 2004 at 22:33

Monday, Mar 08, 2004 at 22:33
Im the same as Martyn, mine has the spillback in them for $9...
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Reply By: flashnick - Monday, Mar 01, 2004 at 00:43

Monday, Mar 01, 2004 at 00:43
Buy the best and Buy Australian Oils -- Penrite,

nick
AnswerID: 48707

Reply By: Big Trev - Monday, Mar 01, 2004 at 20:30

Monday, Mar 01, 2004 at 20:30
Diesel or Petrol?

GQ's are renowned for low oil pressure readings, everyone says it is no problem.

I have always used Castrol RX Super, a little more expensive than most, but damm good oil.
AnswerID: 48787

Follow Up By: Martyn (WA) - Monday, Mar 01, 2004 at 21:54

Monday, Mar 01, 2004 at 21:54
Big Trev,
Ths is more an issue around the sender units than anything else, they are very temperamental to say the least, as you more than likely know.Keep the shiny side up
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FollowupID: 310613

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