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Old 10-01-2010, 01:15 AM   #1
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Anybody ever tried Rislone in the 4.0L?

If your engine is like mine... occasionally you'll fire it up and hear a loud valve/lifter/something tapping. I'm assuming it's probably a lifter that bled down while it was sitting parked. I also have a very noticeable tick tick tick tick while driving down the road...sprayed under the engine bay looking for any electrical arcs and checked the camshaft position sensor to feel if it was clicking, no dice. I'm guessing a light lifter tick...

People have recommended using Rislone in my oil to me in the past swearing it's never failed to cure a ticking engine as long as the lifter is stuck and not permanently collapsed or something like that...and I've read tons of posts on other forums praising it, but none from other Jeep owners.

The way this stuff works... you basically replace a quart of oil with a quart of Rislone. I don't remember the exact process, but it's supposed to start breaking down the sludge in the engine...I've also considered AutoRx, but that stuff isn't cheap and I also haven't seen as many people praising it (never read anything bad about either one though).

Anyway, thoughts? I got an oil change coming up in the semi-near future and thought if it's worth a shot, I may pick up some Rislone and give it a shot starting on the last 1000 miles of my most recent oil change.

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Old 10-01-2010, 06:50 AM   #2
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I dunno I don't put much faith in those fixes in a bottle, the only one I have tried is SEAFOAM, to clean my intake system.

I do know some old time hot rodder types that used a quart of ATF added to the oil just before a change to clean the lifters something to do with the high detergent factor of the ATF. If I remember right, they would add it to the oil and then idle the engine for like 10 minutes and then drain.

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Old 10-01-2010, 07:46 AM   #3
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Quote:
Originally Posted by meyers View Post
I dunno I don't put much faith in those fixes in a bottle, the only one I have tried is SEAFOAM, to clean my intake system.

I do know some old time hot rodder types that used a quart of ATF added to the oil just before a change to clean the lifters something to do with the high detergent factor of the ATF. If I remember right, they would add it to the oil and then idle the engine for like 10 minutes and then drain.
Yeah, normally I don't care much for the fixes in a bottle...but I have yet to find anyone that has a bad experience with Rislone. Found forums where people swore it worked wonders, heard people around here recommend it, and my friend's dad who's a manager for a car lot recommended it when my dad had noisy lifters...said he's been putting it in every noisy car that he's gotten in and it always frees the stuck lifters.

I know there's a lot of snake oil out there...but in order to be snake oil, doesn't it have to NOT work? lol
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Old 10-01-2010, 10:37 AM   #4
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The only engine oil flush I have tried is K&W. The car talk guys had said it was the only one they had any luck with. It smells like it is 98% kerosene, you add it to your oil before a change, let it idle a few minutes and drain it out.

On a well maintained high mileage engine (250,000 on an explorer V6 using Mobil 1) it didn't look to be removing anything. I tried it on a neglected and abused Mustang 5.0 I bought as a donor car for a Cobra project. It was seldom maintained and was owned by a drunk who hit a curb finally and totalled the car. There was lots of valve noise so I tried it. Engine had 85,000 miles on it. The drained oil came out looking like liquid tar. Afterwards the valve noise went away and the engine is still fine many years later.

Some people say that the stuff you break loose and do more harm than good by clogging things up. You can search the web and find lots of stories of people having engine failures after being talked into a flush by a jiffy-type service outlet.

I've not done any harm using the stuff on 4 vehicles. I think Risolone is a less severe solvent and probably poses less risk than the engine flush. I have used it on newly rebuilt engines for the first few thousand miles without issues.
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Old 10-01-2010, 10:55 AM   #5
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Quote:
Originally Posted by KCrisp View Post
The only engine oil flush I have tried is K&W. The car talk guys had said it was the only one they had any luck with. It smells like it is 98% kerosene, you add it to your oil before a change, let it idle a few minutes and drain it out.
I just looked up that K&W it has some pretty powerful chemicals in it, the combination would dissolve just about anything!!

Petroleum Distillate
Xylene
2-Butoxy Ethanol
Acetone
Ethylbenzene
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Old 10-01-2010, 01:11 PM   #6
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Modern multiweight oils don't really cause sludge or other types of buildups any more unless the vehicle owner just doesn't bother to change the oil at a reasonable schedule. Personally, I wouldn't waste my $$$ on it or anything else like it.
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Old 10-01-2010, 01:21 PM   #7
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Modern multiweight oils don't really cause sludge or other types of buildups any more unless the vehicle owner just doesn't bother to change the oil at a reasonable schedule. Personally, I wouldn't waste my $$$ on it or anything else like it.
+1, unless the engine has been seriously neglected I don't see any use in this.
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Old 10-01-2010, 05:20 PM   #8
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Seafoam. I used it on a ticking lifter. After about a 100 miles it appears to have fixed the problem. I have also noticed that my oil has gotten much darker since adding it (10w30 Valvoline Synthetic). I believe by engine may have been neglected before I bought the jeep. The Seafoam would appear to have cleaned by engine. I am due for an oil change soon and am eager to see what the oil looks like. I use K & N oil filter (or Mobil 1 or Puralator).
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Old 10-02-2010, 03:33 PM   #9
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Additives

Having turned wrenches in our automotive and truck repair shop for 40 years I don't like the stuff. Change oil often with good oil and filter. I do think MMO (Marvel Mystery Oil) is good if your going to use an additive. It has cleared up sticking valves in a lot of aircraft engines, and was used a lot in the old aircraft radial engine days. Use a pint or two when you change oil. I have never used it in the oil in any of the aircraft I've owned, but know a few pilots that do use it in the oil. I have used it most of the time in my fuel since 1981 when a highly respected aircraft engine rebuilder that I had rebuild my IO 520D TCM engine in my Cessna 185 said that the aircraft fuels are so dry it would be good to mix 3-4 ozs per 10 gals. of fuel. It's a great upper cyl. lube and keeps valves and rings free. That IO 520 engine went 18 years and 1800 hours with out a cly. problem, pretty dam good for a big bore Continental. I used it in the oil in an old 350 chevy I/O boat engine that had been neglected for a few years and it came back to life. If you use anything, give MMO a try.
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