Recent content by john2019

  1. J

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

    Thanks for all the feedback guys, I appreciate it. I used to buy the 5 quart Castrol jugs at K-mart or Meijer for about $16.00. Meijer stopped selling it where I am at, and they just closed the last K-mart store that was close to me. I got the last jug at Autozone, but I did not shop around, I...
  2. 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...
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