5w-30 Shell Gas Truck Synthetic vs Mobil 1 Synthetic

   / 5w-30 Shell Gas Truck Synthetic vs Mobil 1 Synthetic #21  
The remaining question is are all those expensive ingredients necessary for long engine life and performance meeting design standards?
There are an almost immeasurable number of oil related engine failures when the proper type and viscosity oil is used regardless of brand and price.
 
   / 5w-30 Shell Gas Truck Synthetic vs Mobil 1 Synthetic
  • Thread Starter
#22  
The remaining question is are all those expensive ingredients necessary for long engine life and performance meeting design standards?
There are an almost immeasurable number of oil related engine failures when the proper type and viscosity oil is used regardless of brand and price.

These new engines concern me more with direct injection, tighter tolerances, etc. I used to run Castrol 10w-30 in my 94 Chevy with a 4.3, changed it every 3-4k miles. Sold it with over 100k miles and did not use a drop of oil. These new engines seem to use some every oil change 🤷*♂️.
 

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