Hi Joe, Thanks for the response! It's a 7.4L gas and yes, they tested the oil pressure with a mechanical gauge. The rating after the oil change was at the low end of what's considered tolerable for this engine, if I remember correctly. It seems any one of the issues listed could be at fault but as y...

Hi! I'm new here so I hope I'm posting in the right place. I did a search and couldn't find an answer to this specific question but please forgive me if I missed it. I have a 1994 Chevy box truck on a GP3500 van. It has 125k miles on it. It's my home, I love it and I do hope to keep it running as lo...