This is kind of a dumb question, and I know the answer is to get a UOA, but I want to make sure that I'm on the right track. I plan on doing a UOA soon and having Terry look at it for me since he's so close.
I have a 3.0L (Vulcan – pushrod) 2004 Ranger. I currently am running MC 5w-20 with MC FL-400S.
I have an aggressive tune (custom tuned for low end torque) on my computer and currently run 93 octane. I'm going to be installing a K&N FIPK and some JBA headers next week. Needless to say, I will be making more HP and torque than the stock engine.
Would I be better off running a little heavier (5 or 10w-30) oil and/or a full syn? The truck currently runs very good on the MC 5w-20 changed at 3,000 to 4,000 OCIs. I’m just concerned that the 20 weight might not be enough with the modifications on this truck.
Thanks for reading all this and for the help,
Brian
[ March 17, 2006, 08:27 PM: Message edited by: Brian Miller ]