Engine oil Shell or RAVENOL
I’ve been using t6 with pretty good lab analysis but I’ve been considering switching over to amsoil.
I bought this unusual oil made in Germany Ravenol NDT 5W-40...my truck has never sounded or performed better. I was hearing a little bit of top end noise at idle and that's complete quieted with this oil, as well as throttle response and overall smoothness of the engine and turbocharger increased greatly.
Since getting my tune I run Rotella T6 5w-40
Walmart. Shell Rotella 5qt for $20. Or Mobil1 for less than $25 if they're out of the Shell and K&N filters always in stock.
Nothing but the best. I personally use Ravenol. I have a bew and very particular about our because of cam issues. I would only substitute this for liquid Molly.
Anything is better than nothing. I've tried most big oil brands but overall I like the Shell Rotella stuff most.
I use the T6 as well and like it a lot. Other people in this forum have recommended in the past as it’s additives are supposed to be good the 4.0’s. Always worked well for me, it’s reputable, not the most expensive and if the additives do actually help, thats only ever a good thing.
Can't go wrong with [Shell Rotella T6](https://rotella.shell.com/en_us/products/full-synthetic-and-blend-oil/t6-full-synthetic.html). Full synthetic, JASO-MA certified and cheap.
Shell Rottela 5W-40 full syn.
I just ordered the ravenol after watching a youtube channel (sergiu gabor) where ravenol yielded the best results of simulated wear indication tests against various oil brands.
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