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I have a 2005 Merc Optimax 150 HP 2 stroke OB with 1500 hours that is having an overheat problem. I suspect maybe a thermostat jammed? It has been doing this overheat thing on and off for maybe 5 months , mostly only when you come off plane from WOT, and start to idle she seemed to get warm...

My 7.3PSd 2004 / 120,000 km's has just started acting up. The Yellow service engine soon light is on, and it seems to run on only 4 cylinders - lots of white smoke - no power. It was running fine and I shut her down - went to start her maybe 3 or 4 hours later and this - running like a chaff...

LETTER FROM A AUSSIE FARM KID Dear Mah and Pah, I am well. Hope you are. Tell Brother Walt and Brother Elmer the Army Corps beats working for old man Larson by a mile. Tell them to join up quick before all of the places are filled. I was restless at first because you got to stay in bed till...

I'm having some issues with a vehicle using Mobil Delvac 1, 5-W-40 Fully Synthetic Oil, in a turbo diesel Toyota landcruiser 4x4 converted to run LPG in conjunction with the diesel at the same time. Heres the content today of my email to exxonmobil. Lets see what the experts have to say...

Hi Guys. I am running a small 4 cyl lister petters air cooled genset (~ 15 KVA)on an island as our power supply - have been doing so for couple years now, and it has 20,000 hours on it. We do oil & filter changes with Castrol CS6 every 250 hours (10 days continuous) running. Does that seem...

I'm posting this as a 'service' to the BITOG community to warn about shoddy unreliable UOA test results! This is a graph of the results I got on two identical samples of the same used oil - sent on 12.07 07 to two different testing laboratories, one in the USA (Oilguard) and one in Australia...

I am running an old Lister Petters 4 cyl, air cooled, diesel genset, (15 KVA) on an island for our power supply. It's getting into the monsoon (Cyclone) season - we have been experiencing ambient daytime temps of up to 45C (117f+). The old gal has 19000+ hours on her. We change oil & Filters...

The above two uoa results from CAT with pennzoil longlife and now mobil delvac keep suggesting an overheat situation. Vehicle is 4.2 TD Toyota landcruiser, no intercooler. The engine runs cool according to the gauge on the dash - barely above the blue cold mark. Consistently - the results are...

Heres a good question for you marine engine oil eggspurts! Whats the best sump oil to use for a pair of Honda 115 HP 4 stroke OB's Year 2000 models with ~ 700 hours use! They are used in a marine environment where the boats in the water 24/7/365 and it;s salt water not a lake - i.e. salt...

The ol priest at the Church in Notredame was getting worried! Quasimodo, after years of flitting around the bellfry, jumping from one bell to another to get them to swing and ring out a tune - seemed to have developed a bit of a "nervous twitch"! Ever aware of the new Occ Health & Safety Laws...

Subject: [censored] and Lawns [censored]: Frank, you know all about gardens and nature. What in the world is going on down there on the planet? What happened to the dandelions, violets, thistle and stuff I started eons ago? I had a perfect no-maintenance garden plan. Those plants grow in any...

For anyone interested in the background info to this post this link will fill in the blanks of how we got to here - the UOA's! http://theoildrop.server101.com/forums/s...5850#Post940841 Now down to tin tacs. UOA's came back today which raises a few questions that I need your help with! First...

I have a question I can't fathom. It's about 3 different turbo diesel engines in 4wd's 1 = 2004 7.3 PSD Navistar International T444E in F250 Pickup with 114,000km's (71250)miles, With 18 litres sump oil capacity & Oilguard cotton bypass filter 2 = 1992 4.2 litre TD Toyota Landcruiser 4 x 4...

Can anyone enlighten me with regard to the use of Chlorinated Parrafin, along with aromatic hydrocarbons and light oils as an engine oil additive? We seem to have a company out of Ireland marketing a new snake oil downunder (Bi-Tron) claiming long chain carbon molecule protection, cleaning...

I bought a oilguard auto trasmission bypass filter kit for my Year 2004 7.3 psd (that took 6 months to get here on a slow boat from china!). I already have a deep transmission pan from BD power, with a temp sensor and guage. I also have a auxilliary oil cooler plumbed such that the trans fluid...

I am seeking heelp to find a source for hard to get fittings! I am sorry I'm not technical enough to know how to describe properly what I'm after, or what it's correctly called! I wish to run two bypass filters on a 1992 Toyota landcruiser 4.2 litre turbo diesel engine, one a sub micron cotton...

These are my numbers for UOA on the above vehicle, which has 236,000 km's (147500 miles) on it! Sample ID FE 5 CR 0 PB 2 CU 3 SN 1 AL 2 NI 0 AG N/A MN 0 SI 0 B 0 NA 8 MG 0 CA 0 BA 0 P 0 ZN 0 MO 3 TI 0 V 0 K 0 Visc40 = 0 Visc100 = 14.4 Water = 0 Soot = 0 Solids N/a Fuel = 0...

Cold temps are NOT an issue for us, ever, - we live by the sea & the temps NEVER get to freezing, I'm 47 and never seen snow in my life! HOT temps are our issue, heatwave summer conditions of ambient shade temp 104f (40c) for a week at a time! I want to haul my boat 7500#'s long distances in...