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what oil for tb45?

Tech Talk for Nissan owners.

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what oil for tb45?

Post by j-top paj »

just wondering what oil i should be using in the tb45?
i have been using 20w50 gtx ever since i got it and the guy (original owner) has been using the same too.
but after i picked it up from the mechanic yesterday he asked what oil i have been using and thought i should be using 10w40 maybe?
i cant find my manual to check either.
its done 210k so i think the heavier oil should be ok for an older engine?
any thoughts?
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Post by j-top paj »

anyone? tb42 even?
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Post by PGS 4WD »

Most of the reasoning for thinner oil is for greater economy, there is the odd exception like some Nissan performance engines of the mid to late 90's used a 5-30w oil due to very small top end lubrication ports for the valve gear. A lot of it relates to temperature and vehicle useage, I'd be inclined to use a thinner oil in winter to summer and if the vehicle was towing distances where oil temperatures may rise causing the oil to thin out I'd use a thicker oil to start with.

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Post by j-top paj »

so the 20w50 should still be ok? i let it warm up for a few minutes at least before driving anywhere in the mornings etc...

is there much difference with the 10w40 to the 20w50? i mean as long as i let it warm up it shouldnt be a problem i think? :?
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