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Thanks for your reply. Sincerely: John

Can anyone tell me if this Walmart Supertech Coolant is completely compatible with the Prestone Extended Life Coolant?? I realize it says so on the jug, but....??? Thanks for any insight on this matter. John

Originally Posted By: ARB1977 Depending on price and how much of improvement it made...maybe I would go out of my way. Does the jeep recommend high octane? The 2003 4.7 H.O. engine was designed to run on 92-93 octane. The 1993 has an issue that I have not put a lot of effort into figuring out...

Hi; I've always went out of my way to buy non ethanol gas. There's about a nineteen cent a gallon difference in the non ethanol and the Costco gas. The Costco gas does state it has up to 10% ethanol in it where I shop. Would you buy the non ethanol gas if it were availabe to you over the Costco...

Mine was a little low due to seepage over a long period of time. It is likely overdue for a clean out and refill... The one my friend was telling me about that ran dry...... I don't know what happened on that one.

Thanks to all of you, now I can make an informed decision. Take care: John

Thanks again for the replies, I do appreciate it 75W140 it will be then....

Thanks so much for your quick responses. I really just needed to add to the rear that was low. I heard a horror story from a friend telling me how someone he knew let one run completely dry.... So I thought I'd check mine out. It just needed some to top it off. I think I might go to WM and get...

Hi; I'm wondering if it is ok to use a synthetic gear oil with the limited slip additive in it for the regular spider gear type of differentials? I have a 1993 Jeep Grand Cherokee that came with towing package and the owners manual states to use a synthetic 75W 140 gear oil. Mine does not have...

Well, I was able to trade my 15W-50 oil for the 10W-40 H.M. I guess it all depends on who is working there at the time...... This was my original intention, but was told; NO. Thanks for confirming my choice. This lady bought the Jeep with 194K on it to start with. I have not driven or rode in it...

Originally Posted By: 440Magnum Its probably more than you want to take on, but the biggest help for that engine would be to pull the intake manifold and fix the lower plenum gasket. If she's going through oil that fast, her 5.2 almost certainly has the lower intake leak that was common on early...

I been helping a dirt poor single mother with a few problems and talked to her about her 1994 Jeep Grand Cherokee 5.2 V8. This Jeep has 219,000+ miles on it and she tells me she spends over $50.00 per month on oil. She has not had an oil change in over a year. I thought that I'd change her oil...

I thought I'd like to run the M1HM 5W-30 but so far can't find it. My engine reccomends 5W-30 in the first place "GMC 6.0L". I also thought about the M1TDT 5W-40 but am just a little concerned about the 40 in the 5W-40. I'm thinking that the M1HM 10W-30 with a touch of M1TDT 5W-40 may just be...

ekpolk; Thanks, I did read what you stated and heard about the formula for figuring this. So thanks guys for your time.

Originally Posted By: demarpaint Use the top calculator. Take the oil you plan on using, plug in the 100cSt #'s found on the spec sheets for the oil in the KV1 box. Then take the second oil plug in the specs in KV2 box. Now take the % of oil in KV1 box that you'd like to use, lets say 50%. Plug...

Thanks for the link. As of now, I don't know how to use it, but will figure it out in time.

I was changing my trans filter and thought now would be as good as time as any to change the oil. I have a very limited stash and my Yukon Denali with 6.0 engine holds a tad over 6 quarts. I had one 5 qt jug of M1HM 10W-30 and a couple 1 qt bottles of M1TDT 5W-40. So I thought why not mix these...

Thanks guys for the feedback, this is why I posted this here. I'm hoping it will get enough attention to determine what is best in a hydro drive system that has a small reservoir. The motorcycle oil idea sounds interesting too.

I know since joining this forum that there is a whole lot I don't know about oils. And I know that I mention Zn & P a lot when I'm trying to compare oils, it's seems the other parts of the formula are for the most part unknown. They seem to be called AW & FM but not what each of those consist...

Have you tried the lawnsite forums for this question? I'm not sure how it will do for your question, but if you don't have any luck here....They have a topic called Mechanic and Repair and some very helpful people http://www.lawnsite.com/forumdisplay.php?f=35