Oil CompanyÆs recommendations Vs Car manufactureÆs recommendation.
Oil CompanyÆs recommendations Vs Car manufactureÆs recommendation.
(OP)
Hey everyone
I'm new to the forum (1st post) there's a lot of interesting threads in here.
I'd like some technical advice to answer my curious on oil recommendations. The vehicle manufacture recommends to use a 5/10w-30 (SL GF-3) grade oil however a local oil manufacture recommends to use a 5w-40 grade. I also spoke to their local rep and he advised to use their 10w-50 grade. The company also makes a full synthetic range and the one that was recommended was a 0w-50.
So what I would like to know is their any benefits in going to a 'lower' start up grade and then going to a 'higher' operating grade. I live in a climate which ranges from around 15 degrees C (59F) to 35 degrees C (95F).
I'm solely buying the oil for engine protection not cost or extended drainage intervals.
Motor: 3.6l V6 (referred to as 'Alloytec')
In America I believe it's in the Cadillac CTS
Any feedback or advice would be appreciated.
I'm new to the forum (1st post) there's a lot of interesting threads in here.
I'd like some technical advice to answer my curious on oil recommendations. The vehicle manufacture recommends to use a 5/10w-30 (SL GF-3) grade oil however a local oil manufacture recommends to use a 5w-40 grade. I also spoke to their local rep and he advised to use their 10w-50 grade. The company also makes a full synthetic range and the one that was recommended was a 0w-50.
So what I would like to know is their any benefits in going to a 'lower' start up grade and then going to a 'higher' operating grade. I live in a climate which ranges from around 15 degrees C (59F) to 35 degrees C (95F).
I'm solely buying the oil for engine protection not cost or extended drainage intervals.
Motor: 3.6l V6 (referred to as 'Alloytec')
In America I believe it's in the Cadillac CTS
Any feedback or advice would be appreciated.





RE: Oil CompanyÆs recommendations Vs Car manufactureÆs recommendation.
However, for the regular (I hate the term "average") consumer, I would suggest that you follow the OEM's recommendations.
I don't believe I have ever seen an engine failure due to following the engine mfgrs. recommendations.
Having said that...Using a 0w-xx or a 5w-xx synthetic most likely will not harm your engine, indeed you may (or may not) gain some advantage in longevity or fuel mileage or, whatever. I just don't like the idea of 'experimenting' without sufficient knowledge on the subject. Why take the chance? In you climatic range, the OEM's 5w-20 to 5w-30 will work just fine. Point of fact, the wife's Lincoln V-6 has >150,000 miles with the OEM's recommended service intervals and lubricants (5w-20 Motorcraft synthetic blend). I'm not crazy about the brand, but I'm also too lazy to work on her car.
Rod
RE: Oil CompanyÆs recommendations Vs Car manufactureÆs recommendation.
Pick your vis ranges based on your ambients. If you don't mind sacrificing some fuel mileage, use a higher bottom number. I'm seriously considering stepping what I use up a notch because my engine is old and tired.
rmw
RE: Oil CompanyÆs recommendations Vs Car manufactureÆs recommendation.
Forgot to mention, the car does get taken to the drags on a monthly basis and is driven in hilly area occasionally as well. Would this change anything?
Cheers.
RE: Oil CompanyÆs recommendations Vs Car manufactureÆs recommendation.
RE: Oil CompanyÆs recommendations Vs Car manufactureÆs recommendation.
Thanks for all your replys.