Triumphrat

KevyKev · 11-04-2007

Just a quick question for you all. In the 1050's manual, it says we can use 10-40 or 15-50 weight. It doesn't give us temp ranges however. I'm using 10-40 right now, with it being early winter/cooler outside and plan to switch back to 15-50 in the summer which can get rather hot in the midwest USA. My question is, does everyone think the 10-40 will protect just as well as the 15-50 as far as wear once the engine is to temp? By the way, Mobil 1 MX4T 10-40 oil (in the USA) is NOW marketed as Mobil 1 Racing 4T-----the same name as our Triumph branded oil-------and assume it is the same. It is available at certain WalMarts and at Autozone for around $8 a quart. Mobil 1 website now says the MX4T oil and the Racing 4T were the same, with MX4T being only available in the US, and now there is no name descrepency.
Kevin

Stlakid · 11-04-2007

Sounds to me like the contract with Triumph just ran out and now they can just print a single label. On your questions I think you are right on the money and have it figured out correctly.

I use the Shell Rotella T Synthetic which is a 5w-40 grade year round. Summers can get hot here, but I live on the coast where they stay fairly mild. Same for the winters. I've had no issues with this oil in 30k miles now.

oldndumb · 11-04-2007

This is a copy of a chart similar to the ones that used to be in most vehicle owner manuals.

http://

KevyKev · 11-04-2007

Thanks OND. Pretty much what I was expecting (thus switching back to 15-50 once the heat returns). I was also just wanting to get the word out regarding the MX4T changing names to Racing 4T like the rest of the world (per Mobil's website).

Kevin