Engine oil MOTUL or AMSOIL

I’m in MD and use Motul 5w30 X-clean EFE

I switched over to Amsoil and I the engine runs much better.

I take my own oil to my mechanics shop. I use Amsoil Signature in my Challenger.

I use it on my 22 street Bob. My mechanic swears amsoil will make it run cooler but idk. I’m going to try the amsoil when my 10k comes up soon. I’ll always run synthetic either way.

I have personal experience with using amsoil in a Cadillac Northstar which are notorious for burning. It did stop that in that car

I started using motul 10w40 after my apache rtr 180 crossed 50k kms. It gave the old engine required smoothness and the engine feels stress free.

1.3 million on Amsoil. Shell is a close second.

Amsoil is worth it and head and shoulders above the competition. I used a custom built testing apparatus to characterize dozens of lubricants including oils of all weights from Mobil 1, Castrol, penzoil, valvoline, and Amsoil.

I run X-Cess 5w-40, seems great. Takes a little longer to heat up than 5w-30 but I imagine you’d want the high thermal stability it offers in your location.

Motul has been phenomenal for me