Quote:
Originally Posted by E90convert
Do you know why Honda has not approved 0w-20 for the 3.7L? I can't imagine it was because the didn't test the engine with it. But it's hard to imagine the engine would have failed testing with it either!
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Ok I looked it up a bit more, and I think it might have to do with oil consumption because the 3.7L engines are known to burn oil, and have had recall services done. I know this because that was my own car.
There is also some information that pre 2011 engines should use 5w20 and post 2011 engines should use 0w20. But you can utilize 0w20 if needed for extremely cold climates. I'll check my owners manual to verify, but honestly I don't really care since it's my daily. My oil cap says 5w20 so that's what I use, and it is parked in a heated garage and never spends any meaningful time outside in the cold. So temps aren't an issue for me.