Quote Originally Posted by Blaze View Post
Is there that big of an advantage for Castrol Edge 0w-40 vs Castrol Magnatec 10w-40? That's what I'm running on my 96 sol (b16a2).
Castrol Magnatec is Semi-syn while 0W-40 is Full-Syn... Both have same viscocity at operating temperature while Magnatec is 10W at cold temp vs Edge 0W at cold temp.

Other differences read up on what both claim and see if you believe it...