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Worked on it some today, and found all the head bolts on one side of the head (the side that was weeping oil) had worked loose some. Not hand tight, but it took about 10 degrees to get them back up to torque, so that would be a good bit of clamping force gone. What is the best thing to do...

I did a pressure test today, and that did find a leak in the radiator, but the coolant system was still building up to about 5-6 psi rather quickly under WOT runs (very exciting in a tractor ) up and down the road. I would bleed off all the pressure in the system when it was up to temp and had...

It does have a water-oil cooler, but the coolant system is only a 7psi system where the oil pressure on these engines while running is 30-40 psi, so I feel like I would see the oil in the water if it was leaking. Hurst

Here is a VOA of JD plus 50 15w40 (from a while ago, but the UOA for the newer stuff still doesn't show high sodium or potassium): http://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=477257 So sodium and potassium definitely elevated. When I overhauled the engine, I had...

Here are the results of the oil analysis in case the link doesn't work: Cu 39 Fe 35 Cr 1 Al 3 Pb 3 Sn 1 Si 12 Na 155 K 196 Mo 236 Ni 0 Ca 1470 Mg 822 Zn 1202 P 997 Soot 10 (ct/mL) Oxidation 23 Nitration 13 Sulfation 30 Water: Negative Antifreeze: Positive Fuel: Negative V100 14.4 This was at...

I got this oil analysis back for my Allis Chalmers 301. A little background on the engine. It is a 2900 series engine, which is 301 cu in wet sleeve diesel. It is a later model with copper injector cups instead of copper washers in the head. I rebuilt it at 5900 hrs, which was a little over 400...

I haven't condemed CJ-4 oils, it just seemed that the older CI-4+ oils had a little stronger additive package, but then again I guess I may not be seeing all of the stuff that is important in the new oils with a standard oil analysis. I've been doing some reading, and have to admit, I have...

I usually get my e-mailed results about 2-3 business days after I send mine off, but it only has to go about an hour away from me from. I do mine through CAT since my friend's Dad gets all the samples he wants for free. Hurst

Yeah, I wish it was still easy to find CI-4+ oils, as those seemed to provide better protection for cams in older diesels. I have some Delvac 1300 I got on sale for $8 a gallon at O'Reilly's, but I will have to look at some oil analyses to see what the EP additives look like on those. I may go...

We rarely see anything colder than the teens in the winter, usually hovering in the mid to high 20s, but it is in a part of the shop that isn't heated, so it does have a wind break and that part of the shop is insulated, so that helps. In the summer it gets to do all the round baling and a lot...

I'll see if this is better: http://img375.imageshack.us/img375/8663/rotella15w40allis230hou.jpg I hope that is a little better. If it's still unreadable, let me know and I'll try again. Hurst

This is the latest oil sample of 15w40 (ignore the sheet, as they still have 10w30 from the last sample of the 10w30 breakin oil). This tractor gets started almost every day in the winter to run for about 45 minutes, so as you can imagine, those are some hard hours on this oil. This is also the...

Does anyone know anything about this new fluid? It seems that Traveller fluids use a thinner weight base that is more comparable to low viscosity oils. I am looking for a standard weight hydraulic/transmission oil for my Allis Chalmers 7000 (has a powershift transmission in the sump). Would I be...

I guess ultimately it will be my Father's decision, since it's his truck (I guess I can't complain, I buy my oil for my car, he buys his oil for his truck, I can only give my advice), so if he goes with the M1 EP again, I'll grab a PCV valve to put on there and bug him over the phone while I'm...

I'll have to try the new PCV valve (a whopping 2 bucks at autozone :)) this oil change. I have searched around on the internet and found a few other people saying they noticed increased consumption with M1, but nothing scientific backing it up. Like Gary stated, M1 probably has comparable or...

I am thinking that, but what oil besides M1 EP will be able to withstand 10k mile OCIs? Also, I was wondering if the group IV/V base of 0w40 (only M1 oil I have seen with a group IV/V base that is easily found locally) would be less succeptable to burnoff. Hurst

I wasn't saying the 40 weight was going to cure the oil burning, but this truck only burns oil if it is running mobil 1, because we went back to conventional around 60 or 70,000 miles for one oil change it didn't burn hardly any in that interval. I am thinking it is just something with M1 EP...

I was reading that 0w40 is a very light 40 wt oil, more similar to a thicker 30wt oil than a 40wt oil. Also, this truck doesn't have Variable cam timing, so I don't have to worry about that fortunately, I'd probably say it's the best 5.4 they made, it had the improved head so it won't spit the...

I'll check out the PCV valve. It was weird though, because the truck didn't burn any oil for the first few changes we ran Motorcraft 5w20 in it, then switched to Mobil 1, and it has burned the same amount every change. My TDI is even doing the same thing on Mobil 1 TDT, but not as bad. It has...

I was wondering what your thoughts are on mobil 1 0w40 in a 2003 ford F150 (2 valve head) with over 150,000 miles on it. We have used M1 5w30 or 5w20 EP for most of its life, but it burns it off to the tune of about 3 quarts every 10,000 miles (it's a quart low by the time we're ready to change...