Correct oil grade for 90 Corolla - Toyota Nation Forum : Toyota Car and Truck Forums

Valkyrie90AE92 · 11-18-2005, 05:04 PM

This is a really stupid question, but I would figure I would ask since I dont want to kill my engine if I use the wrong oil. What is the correct oil for a 1990 Corolla? I looked in the manual and Haynes, and the chart didnt seem to be too helpful (I just couldnt figure it out). Our temperature range is from 10F (winter) to 100F (summer). Assuming I read it right, it is 10W40?

The temperature range is what is confusing the heck out of me.....
Thanks

Flashmn · 11-18-2005, 05:36 PM

I use 5W-50 in mine.

***REN69*** · 11-18-2005, 07:16 PM

5W-30 for winter and 10W-30 in the summer up here in Canada. Toyota seems to be recommending 5W-30 up here for ALL year round lately though.

Liter · 11-18-2005, 11:37 PM

i use 10w30 all year round

Valkyrie90AE92 · 11-19-2005, 10:42 AM

I guess I'll stick with 10W30 then. The part that annoys me is that Tennessee has some really wacky weather sometimes. 1 week ago it was almost 80F here, while last night was 19F. Im thinking the 10W30 will be a good all purpose oil....

Flashmn · 11-19-2005, 11:26 AM

I'd get the lowest cold viscosity that doesnt leak out of the engine and then play with the hot viscosity.

burnt03 · 11-19-2005, 02:07 PM

Quote:

Originally Posted by Liter

i use 10w30 all year round

Me too.