If your engine is noisy, I would agree with the notion to use a thicker 10W-30 such as the Maxlife. It has some moly, too, if that's what you are looking for. It is not CJ4, but may help as a higher viscosity 10W-30. The Rotella 5W-40 is not rated CJ4 yet, but would be a good one to try as well, even though it may have very little if any moly. Delo 10W-30 should have a some of moly, but we just never see this oil here in the south.
Do you need CJ4 oil because you have a late model diesel that requires it? Otherwise, take a serious look at finding some Schaeffers 9000 5W-40 for year round use in your climate. Lots of moly and should quiet things down, if any oil can do so for your engine. A more expensive alternative would be Redline 10W-30 synthetic-lots of moly, and a more viscous 30 weight oil at operating temps than most other 10W-30 oils.
Bottom line- try something and see how it does. And, get back to us here and let us know your experience! Thanks and good luck.