It is common to hear individuals talking about the relative positives & negatives of the CJ-4 vs. the older CI-4 diesel motor oils. So, it seems worthwhile to layout the relative similarities and differences between using diesel motor oils that meet each of these respective API classifications.
If you have a scratch on your car, its a good idea to get a car scratch repair kit. Unfortunately, not every kit in the store that says scratch remover actually works. There are countless products that say they can get rid of scratches without much work, but if you don’t know what type of tools you need or which products actually do the job, your repair may actually make your car look worse.
