Originally Posted by daman
It won't hurt a thing; But why would you want too? Synthetic is the best thing since sliced bread
Well sliced bread wasnt quite that expensive.
Go with a synthetic blend if you are worried about any ill effects. Plus you wont get raped on the price of a true synthetic.
As for switcing brands? How many different ingredients can there be for a product that has to be pretty much universal? I switched over from Mobil 1 to Valvoline Max Life without any problems. The Mobil 1 was getting to be hard to get.