Yes Andy you got the right idea. Why use the 5w30, over the 10w30 in
the 4.7? The 4.7 has a few small oil passages in it and the 5w30 flows
better though them at colder (cooler) temps when the block is
cold(cooler). I think the the reason at least.
(for the summer months)
-- *------------------------------Y2KOTA------------------------------* Don Mallett Y2K QC 4.7L Auto SLT+ 4x2 http://www.y2kota.us *-----I'm not late! It's that the rest of the world is early!!-----* On Jul 27, 2005, at 2:26 PM, Andy Levy wrote:> > On 7/27/05, Valentin Garcia <valentingar@msn.com> wrote: >> >> Hey gang, I have a question on oil. What does it all mean? Example: >> 5w30 vs 10w30. I usually put in what's recommended, but why is a >> certain >> weight required? I have an 04 4.7L quadcab Ram that takes 5w30, what >> would >> happpen if I put in 10w30. Thank you in advance. >> I know this has probably been covered before so I apologise for the >> revisit. > > The first number is the "cold" viscosity, the second the "hot" > viscosity (I hope I got those right). > > If you ran 10w30, the oil would be thicker until the engine is warmed > up. You won't get any gain running it over the 5w30. I put 0w30 in > for the winter months but it doesn't get cold enough in Houston for > you do need that. > > I'd recommend sticking with the 5w30, unless there's a shortage and > you can't find anything but 10w. > > >
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