I've always used a 5w-30 or 10-30 in my Chrysler 3.3L in my Caravan. For the past few weeks I've been thinking of trying the Delvac 1300 15w-40 for the summer as I will be taking a 2,000 trip next month. The engine uses no oil and has 157k miles on it.
I guess I'm concerned that 10w-30 isn't up to the task of driving all day at 70 mph. Will I loose fuel economy moving up to the Delvac 1300? Any reason not to make a run with the Delvac 1300 other than it isn't recommended in my owners manual?
I will be doing an analyis at end of the year if I try it. I don't want to risk blowing out a oil seal with too thick an oil. I also have some of the Big Lot's 5w-40 Havoline left. Perhaps that would be just as good to try it.
One problem with trying Delvac 1300 is that it is only found at WAlmart in my area and that means I have to get 2 gallons to get the 5 qrts that I need.
What do you think? I cannot find much about the Chrysler engines with heavier oils.
[ May 27, 2004, 10:11 AM: Message edited by: Cressida ]
I guess I'm concerned that 10w-30 isn't up to the task of driving all day at 70 mph. Will I loose fuel economy moving up to the Delvac 1300? Any reason not to make a run with the Delvac 1300 other than it isn't recommended in my owners manual?
I will be doing an analyis at end of the year if I try it. I don't want to risk blowing out a oil seal with too thick an oil. I also have some of the Big Lot's 5w-40 Havoline left. Perhaps that would be just as good to try it.
One problem with trying Delvac 1300 is that it is only found at WAlmart in my area and that means I have to get 2 gallons to get the 5 qrts that I need.
What do you think? I cannot find much about the Chrysler engines with heavier oils.
[ May 27, 2004, 10:11 AM: Message edited by: Cressida ]