Joined
·
2,714 Posts
How many miles did you go before changing the original oil and filter.
What brand of oil did you re-fill the engine with.
What brand of oil did you re-fill the engine with.
1500 miles nothing but Mobil 1How many miles did you go before changing the original oil and filter.
What brand of oil did you re-fill the engine with.
In a severe wear test study that can be found at: http://speedtalk.com/forum/viewtopic.php?t=30483 Tests were run at a real world oil temperature of 230 degrees F. The Pennzoil Platinum Ultra 5W-30 took the top honors failing at 115,600 psi pressure. 5W-20 did not do as well failing at 86,270 psi. (Both Pennzoils were the previous version not the new ones. Hopefully the new ones are even better) Mobil 5W-20 and 0W-20 both failed around 95,000 psi. Would not hesitate to use either one of these two brands of Synthetic motor oils. Castrol Edge and Quaker State Ultimate also did very well. The expensive Royal Purple synthetics did not fare well at all on this wear test.After reading all the oil analysis's at bobistheoilguy.com I'm now a firm believer in extended oiled change intervals. I'm just going to follow the Ram's oil life monitor which I understand will probably have me doing them about every 8,000 miles.
With that being said I do believe in an early first change. You will definitely have much higher levels of wear metals in your oil during break in. I think it's just cheap insurance to do one early. I plan to do mine this weekend at 500 miles.
Another reason for me to do one early is so I can get a better filter in there. My hemi has the startup tick/knock noise. This is probably due to an inferior anti drain back valve in the oil filter. I run wix filters in my 2012 Grand Cherokee Hemi and have never had the startup tick/knock.
As for oil I usually run Penzoil Platinum or Ultra. I like the extra cushion it gives me when running longer oil change intervals and also it has much better low temperature flow characteristics than dino. Here in Michigan on a -10 degree morning you can certainly hear the difference between starting up a vehicle with dino vs synthetic.