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Old 08-05-2011, 11:25 AM   #29
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Originally Posted by Billieg View Post
Your oil temp needs to hit 210 to burn off the moisture and impurities otherwise you will have problems. My oil pressure is 40 cold and 30 hot. I was wondering if this is a problem.
What oil are you presently running?
How many miles on the engine?
How do you test or monitor your oil temp?

My oil temp on a 83 454 (38,000 miles)
cold 58 psi
Hot (30 minutes of driving) is 49 PSI at 3,000 RPM
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Old 08-05-2011, 01:12 PM   #30
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See and I have the exact opposite problem, mine doesn't heat up enough to blow heat. I live in the hills of western Pa. and drove to a campground after midnite. It was getting a little chilly on the way so I turned the heater on but the engine temp doesn't get high enough to blow warm air. Being that I park it for the winter I'm happy with it just the way it is. And mine is a 1986 27' winnie with 454cid.
Our '88 Winnie/454 also ran too cold when we bought it a couple of years ago - I pulled the thermostat, and checked it against a new one - both were 190 degree units. The OEM Tstat opened at the same point in a pan of water test as the new one, at about 190 degrees, but the new replacement ALSO closed again below 190, where the OEM stayed open well below 150 degrees or so. Now, with the new Tstat, coolant temp is normal, and all is well - absolutely no overheating in long steep grades, either.
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Old 08-05-2011, 07:19 PM   #31
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Originally Posted by JimElliott View Post
What oil are you presently running?
How many miles on the engine?
How do you test or monitor your oil temp?

My oil temp on a 83 454 (38,000 miles)
cold 58 psi
Hot (30 minutes of driving) is 49 PSI at 3,000 RPM
I'm using 20-50 in it and it has 66,000 miles on it. It's using about a quart of oil every 500 miles. I've put in rislone oil treatment twice now but it doesn't seem to help. I have an oil pressure gauge and an oil temp gauge. The oil temp runs from 200 - 220.
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Old 08-05-2011, 07:57 PM   #32
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I had a 1994 p30 once the exhaust manifold cracked and blow hot air on sensor and it needed a fan clutch, and raidiator fins cleaned.
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Old 08-05-2011, 08:37 PM   #33
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Originally Posted by Billieg View Post
I'm using 20-50 in it and it has 66,000 miles on it. It's using about a quart of oil every 500 miles. I've put in rislone oil treatment twice now but it doesn't seem to help. I have an oil pressure gauge and an oil temp gauge. The oil temp runs from 200 - 220.
Well your oil temps fall right into line, The oil usage seems excessive.
I used "Royal purple 15-40" which is a very high end oil but would watch the pressure gauges (2) flutter down to zero on the digital gauge on very hot days....."Bad sender was the problem".
New oil test for this summer has been to replace the Royal purple with "Delo 400 LE 15-40" which in the desert temps (high) is very stable so a change to a different just be a big help for you...
Like yours my engine burned more oil with the "SYN" and now it's up and around 1200-1400 miles per quart.....

Jim
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Old 08-05-2011, 09:26 PM   #34
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Senior Chief.............I am assuming you have verified that your temperature gauge is accurate. A new gauge is way cheaper than a new radiator..............ronspradley
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Old 08-06-2011, 12:54 AM   #35
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I watched it a couple times but never paid attention to how warm it was getting. Next time out I'll see what temp it gets to. It runs great for an 86 nice and smooth. The only thing I'm doing to it is preventative type things. Put Halogen headlights in and getting new air and fuel filters. Later next month it's an oil change and grease.
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Old 08-06-2011, 07:02 AM   #36
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....
New oil test for this summer has been to replace the Royal purple with "Delo 400 LE 15-40" which in the desert temps (high) is very stable so a change to a different just be a big help for you...
Like yours my engine burned more oil with the "SYN" and now it's up and around 1200-1400 miles per quart.....

Jim
The other advantage of Delo 400 LE 15-40 is that it is a diesel oil that still has the high pressure additives in it. This does a much better job of protecting our flat lifter camshaft, pushrod 454s. Most oils these days have had these additives removed to protect the emission equipment. This is the only oil I will run in our rebuilt motor.
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Old 08-06-2011, 09:48 AM   #37
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Senior Chief.............I am assuming you have verified that your temperature gauge is accurate. A new gauge is way cheaper than a new radiator..............ronspradley
Before we installed the new gauge, we tested it against a very accurate digital thermometer at around 200 degrees and it was within 2 or 3 degrees at that temperature.

The rig seems to run very well, plenty of power and no hesitation. Its got fresh plugs,and wires and is newly timed (plenty of spare time right now )

Oil pressure is good.

I'm going to close up any gaps in the air dam, but we'll need to put a few hundred more miles on the old girl before we can do any more on her.
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Old 08-06-2011, 10:09 AM   #38
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Thanks Jim and Dave for the oil info. I'll try it next oil change although losing a quart every 500 miles I have yet to change the oil!
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Old 08-06-2011, 11:43 AM   #39
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Thanks Jim and Dave for the oil info. I'll try it next oil change although losing a quart every 500 miles I have yet to change the oil!
I purchase the "Delo 400" 15-40 at the Walmart store....Can get it in the 1 gallon can so with 2 of them plus a 2 qt Wix filter (not from Walmart) both 1 gallon cans are tossed into the engine....

Also keep a few quart bottles in the rig for on the road purposes, I hope this oil will cut down the amount leaving your engine....

Jim
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Old 08-06-2011, 09:17 PM   #40
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The other advantage of Delo 400 LE 15-40 is that it is a diesel oil that still has the high pressure additives in it. This does a much better job of protecting our flat lifter camshaft, pushrod 454s. Most oils these days have had these additives removed to protect the emission equipment. This is the only oil I will run in our rebuilt motor.
The DELO 15/40 is, or USED to be great stuff - until EPA got involved, and the latest CJ series DELO isn't nearly as good in wear reduction compounds (zinc and such...) as was the previous CI4-Plus it replaced - thanks to the emissions folks. Yeah, *I* like clean air too, but....

Fortunately, I saw the handwriting on the wall, and bought several 6-gallon cases of the DELO CI4-Plus before the CJ stuff took over, and still have enough left for a couple of years of oil changes in my '02 Dodge/Cummins...
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Old 08-07-2011, 07:04 AM   #41
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.... plus a 2 qt Wix filter....

Jim
What is the number of that filter?
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Old 08-07-2011, 10:29 AM   #42
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You might have a look at the thread 'Surprising Cooling System Fix' in the Workhorse forum. Always do the easy/cheap things first.

Worked well for me.
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