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Fuel Engine Oil Additives: STP, Lucas, Marvel, Seafoam, etc

 
  #16  
Old 04-29-2012, 02:42 AM
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Originally Posted by bruno2 View Post
I need to start running some tranny fluid in my diesel fuel again. I didnt do it after the rebuild so it would help to seat the rings as well as everything else. Now that is done so I need to give the injectors a little help.
Good way to burn up injectors, at least on a big truck. They warn against using it.
I always used Lucas in the fuel as a lubricant for the injectors.
 
  #17  
Old 04-29-2012, 08:11 AM
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I hear that , but, I have seen different. I dont know what to think. My dad a Cummins big cam 400 that he ran tranny fluid in religiously. That motor saw at least 450K before he sold it. Then he had an N14 Cummins that saw at least 750K before he sold that one and retired. He lost 1 injector in the N14 the entire time he had it.
 
  #18  
Old 04-29-2012, 11:11 AM
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Im not the biggest fan of additives, but I have known a few people with high mile older vehicles have pretty decent luck with Lucas oil addives (I know this is about fuel additives)
Again, they were old worn out vehicles they were just trying to keep running another year.
 
  #19  
Old 04-29-2012, 11:12 AM
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Originally Posted by kedwinh View Post
Good way to burn up injectors, at least on a big truck. They warn against using it.
I always used Lucas in the fuel as a lubricant for the injectors.
How about Power Service or Howes in a diesel ?
 
  #20  
Old 04-30-2012, 03:19 AM
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Originally Posted by Econoline 150 View Post
How about Power Service or Howes in a diesel ?
They're ok just always preferred Lucas. Always saw a slight, 1/4 mpg or so, increase in fuel mileage with it.

Tranny fluid was used by a lot of the old timers, my dad and myself included. I stopped using it several years ago when KW told me it would void my Cat warranty. After that I started using Lucas and never looked back.
 
  #21  
Old 04-30-2012, 07:39 AM
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Originally Posted by kedwinh View Post
They're ok just always preferred Lucas. Always saw a slight, 1/4 mpg or so, increase in fuel mileage with it.

Tranny fluid was used by a lot of the old timers, my dad and myself included. I stopped using it several years ago when KW told me it would void my Cat warranty. After that I started using Lucas and never looked back.
For todays low sulphur diesel I'm told they are needed on many older diesels.

Neighbor has an old Datsun diesel pickup that he uses Howes on and has had good luck with it as does my son who has a 1990s Powerstroke.

As far as Lucas engine additives and transmissions additives it seems to help an old tired vehicle "hang in there" a little longer, which many probably need more then ever in this economy.
 
  #22  
Old 04-30-2012, 11:53 AM
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Originally Posted by LARIAT 85 View Post
I'm not big on additives either, but I do trust Marvel Mystery Oil. That stuff has been around since World War II, and it smells nice. I had a "tick" in my engine for about a year after it sat unused for a while, and an old timer mechanic told me to get a bottle of Marvel Mystery Oil and add it to the engine oil. And it worked! When I changed the oil that was treated, it was blacker than I had ever seen it before. The tick is gone, and that was 5 years ago and it never came back! I still use it from time to time as a fuel stabilizer, and add a pint or so right before an oil change.
I found that adding maybe 4oz of MMO to the oil a couple hundred miles before a change helped reduce sludge on my 93 SHO's 3.0 DOHC v6, to the point that the guy I had do all my 60k valve shim/timing belt jobs asked why the insides of mine were always so clean.

For fuel additives when faced with random misses on EFI gas motors a dose of Techron did very well, Lucas and Redline did reasonably as well.

Cheers,
- Jeff
 
  #23  
Old 05-03-2012, 10:06 AM
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Originally Posted by Jsed83 View Post
A friend recommended that I try these new tablets. He said they would increase my fuel economy, increase horsepower, reduce emissions, extend the life of my engine, etc. etc.
Yeah..... A magic pill that'll give you a 24-hour hard-on, tone your muscles, melt your fat, re-grow your hair, blah blah blah.

Spammer, be gone....
 
  #24  
Old 05-03-2012, 10:41 AM
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Originally Posted by ctubutis View Post
Yeah..... A magic pill that'll give you a 24-hour hard-on, tone your muscles, melt your fat, re-grow your hair, blah blah blah.

Spammer, be gone....
Seriously. Everyone knows that if you want a long-lasting hardon, just ride a BMW motorcycle:

BMW Motorcycle Caused 20-Month Erection, Man's Lawsuit Claims | Reuters
 
  #25  
Old 05-03-2012, 10:43 AM
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Originally Posted by Eddiec1564 View Post
Years ago, a graphite/zinc additive for engine oil was around. I heard old timers talking about how it will lube(to a point) the bearings if you loose oil pressure.


Is that still around?
You can find Lucas break in additive. That has the additional zinc which adheres to the metal parts to make them more slick. I used in my truck when I rebuilt it and was in the break-in phase.
 
  #26  
Old 05-03-2012, 11:06 AM
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Originally Posted by LARIAT 85 View Post
I'm not big on additives either, but I do trust Marvel Mystery Oil. That stuff has been around since World War II, and it smells nice. I had a "tick" in my engine for about a year after it sat unused for a while, and an old timer mechanic told me to get a bottle of Marvel Mystery Oil and add it to the engine oil. And it worked! When I changed the oil that was treated, it was blacker than I had ever seen it before. The tick is gone, and that was 5 years ago and it never came back! I still use it from time to time as a fuel stabilizer, and add a pint or so right before an oil change.
When you say you had a "tick" in your engine was it a continuous noise or did it cycle like several ticks then a pause then resuming with no consistent pattern?
 

Last edited by emgee; 05-03-2012 at 11:07 AM. Reason: grammar
  #27  
Old 05-03-2012, 12:32 PM
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Originally Posted by Xenthrax View Post
Lucas Upper Cylinder Lubricant and Injector cleaner - 1) Eliminates need for higher octane fuel
I can't find on the bottle for Lucas Upper Cylinder lubricant where it says it eliminates the need for higher octane fuel. I'm in Canada though, so maybe that's why but has anybody tested that theory with it? Really tempted to run it in my truck with some 87 octane, that would be really sweet. I've sold a ton of the Lucas at my store, never used it myself.
 
  #28  
Old 05-03-2012, 09:48 PM
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i use the lucas oil stabilizer regularly and i have used the stop leak to great success when i had two broken rings and gobs of blowby.
 
  #29  
Old 05-04-2012, 03:28 PM
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I know a lot of people like to keep putting ZDDP additives in their oil fresh after a rebuild because of the lack of ZDDP in the newer oils.

If it helps keep the parts lubed, why not?

Originally Posted by Dorsai View Post
Seriously. Everyone knows that if you want a long-lasting hardon, just ride a BMW motorcycle:

BMW Motorcycle Caused 20-Month Erection, Man's Lawsuit Claims | Reuters
I got the biggest laugh out of that. Sounds like somebody wanting to bilk money out of a "rich" manufacturer to me.

A 2-year erection... just, wow. That'd make for some kinda crazy Viagra ad!
 
  #30  
Old 05-05-2012, 02:03 AM
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I had a bottle of Slick 50 laying around and I used it with my last oil change. I keep track of my gas mileage and it has been creeping up from 10mpg to 11 and now 12mpg. Engine noise has quieted down some too. It could just be coincidence but it happened.
 

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