Oil type and temp Questions (houston area)

wstar

I'd just get the little 19-row if you're never going on a track. It will hold up to TX weather fine with that. Technically you're probably fine even without a cooler. On the worst summer days you might hit 240 on the street driving kinda recklessly, but that's really not a huge issue.

If you can, I'd recommend learning to do your own oil changes (and to check and change the other fluids on the car yourself as well). It only requires a minimum of tools, knowledge and effort, and frankly nobody (not the dealer and certainly not jiffylube) really cares about your car more than you do. Eventually they'll do something stupid or criminal out of haste (not use the oil you asked them to, not change the filter, over-tighten the drain plug, maybe even leave the drain plug loose so you dump oil later).

If you're really unwilling to do your own oil changes and really feel you need a cooler, IMHO your best option for worry-free maintenance is to have a Nissan dealership install the Nissan Motorsports oil cooler package for you, and have that dealership do all of your oil changes as well. Then there's only 1 party involved: if anything goes wrong, the dealership has to deal with it and cover it and there's nobody else to point a finger at.

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