Search results

  1. J

    Should I go to a full syhthetic or use a synthetic blend

    Hello everyone, I have some questions about oil I would like to ask. I have a 1991 Chevy K1500 Silverado pickup with a 4.3 V6 engine. The truck now has about 180,000 miles on it, and I am the only person to change the oil since I purchased the vehicle new. I have only used Castrol GTX 5W-30...
Back
Top