Conventional will do just fine?

[bigdawg74]

Originally Posted By: Ken2
Originally Posted By: oilchangeguy
I change oil every 3000 miles, always have. Am I wasting money buying blends or full synthetic oils? Pennzoil conventional, Valvoline conventional, or Castrol GTX get me to 300k with no issues?

Stick with what you're doing. Shell, Ashland, and BP appreciate your money.


As do those of us who own stock in said companies....

 

[HangerHarley]

Originally Posted By: shrooms
You're wasting a TON of money using quality oils with the outdated 3K 'law'. ESPECIALLY a full syn. You can go with that to 10K.


I extend mine to 4k. For me, the "3k" rule is now the "4k" rule. Unless im cleaning out an engine with PP, in which case its 1k, or I go back in time..

Bill In Utah is a fan of conventional Oil product.