Difference between Mobile 1 5W-20 and 5W-30?
how much more is 30 vs 20? and is it worth it?
Thanks, Chris |
Significant price differences just based on viscosity are rare, I would think those two would be the same price.
The TSX calls for 5W-30, so that's what I would use. :2cents: |
Their viscosity when cold.
Use the recommended. |
Originally Posted by moda_way
Their viscosity when cold.
Use the recommended. |
5W 20 and 5W 30 are almost identical, honda used to recommend 5W-20, now there recommending the 30, its really not much of a change at all
I have 5W-20 in the car right now |
Originally Posted by Firefightr86
5W 20 and 5W 30 are almost identical, honda used to recommend 5W-20, now there recommending the 30, its really not much of a change at all
I have 5W-20 in the car right now My oil cap says "5W-30", as does my owner's manual. |
5W20 would thin-up slightly faster than 5w30 in colder regions.
There's no reason to use it over the recommended 5w30 unless you live in Alaska. |
Long thread on this 5W-20 versus 5W-30 thing already:
https://acurazine.com/forums/showthread.php?t=23390 Summary: 5W-20 gives you a hair better gas mileage, 5W-30 protects the engine a hair better |
Originally Posted by synthetic
5W20 would thin-up slightly faster than 5w30 in colder regions.
There's no reason to use it over the recommended 5w30 unless you live in Alaska. If you lived in Alaska, you'd use 0w-30 instead. Not 5w-20. |
Originally Posted by rb1
Long thread on this 5W-20 versus 5W-30 thing already:
https://acurazine.com/forums/showthread.php?t=23390 Summary: 5W-20 gives you a hair better gas mileage, 5W-30 protects the engine a hair better |
Originally Posted by rb1
Actually, I'd think 5W-20 and 5W-30 would have the same (well, very similar) viscosity when cold, but 5W-20 will be thinner at the normal engine operating temperatures (e.g. hot).
:tomato: I always mix them up. |
both oils will have 5w viscosity during start-up and in cold temperatures, it helps protect your engine from serious wear during start-up, but as the engine gets to its operating temp. one oil will have 20w and the other 30w. Acura recommends 5w-30. :thumbsup:
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Originally Posted by ATsxMan8305
This is generally correct, but don't forget, a 5W-30 synthetic will give you better gas mileage than a 5W-30 dyno...b/c synthetic is thinner. Plus better on cold starts :thumbsup:
And for cold starts first thing in the morning, PAO synthetics tend not to stick to the piston wall surface. Dino oils, semi-synthetics and the new ester-based synthetic oils "stick" better to metal surfaces overnight. |
^^ thanks for correcting me, aaronng! I stand corrected. Also...wanted to mention on this thread a great site regarding engine oil. Very easy read.
http://minimopar.knizefamily.net/oil.html |
Originally Posted by aaronng
...But it is uncommon to find a 5w-30 dino oil. They usually start from 10w-40 upwards....
http://www.partsamerica.com/ProductL...?Category=3255 VW ran in to big trouble with this in their 1.8T's and oil sludging. Their recommended oil is 5W-40, available only in synthetics. However, the manual also said "If 5W-40 is unavailable, then 5W-30 can be used". 5W-40 oil, however, is very hard to come by, so everyone started putting dino oil in their turbo motors. Not good... |
Originally Posted by rb1
Actually 5W-30 dino oil is pretty common. Check out all the dino oils on this list: (a few synthetics mixed in)
http://www.partsamerica.com/ProductL...?Category=3255 VW ran in to big trouble with this in their 1.8T's and oil sludging. Their recommended oil is 5W-40, available only in synthetics. However, the manual also said "If 5W-40 is unavailable, then 5W-30 can be used". 5W-40 oil, however, is very hard to come by, so everyone started putting dino oil in their turbo motors. Not good... We are however spoilt for choice when looking at 5w-40. There is Castrol's Edge 0w-40 (0w is the same viscosity as 5w except for the lower pour point), Shell Helix Ultra 5w-40, Motul's 8100 Xcess 5w-40 and also Elf's Excellium GP 5w-40. |
so which one does the Acura dealership use?
5W-20 5W-25 5W-30? Thank You Guys |
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