Do fuel system cleaners weaken oil viscosity? Should I use them prior (500 miles) to an oil change? Thanks
Fuel system cleaners
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I usualy use the fuel system cleaner prior to evey oil change, and run it through one tank prior to changing my oil.
I use a system cleaner like TECHRON SYSTEM CLEANER before each oil change.
I usually wait till before an OCI as well. Although Red Line told me their cleaner has no bad effects on the oil, and is safe to use anytime you like. Still I tend to wait until an OCI if I plan on using one.
I also use Red Line in the last tank before an oil change. It's just the way I learned it I guess.
Originally Posted By: wallyuwl
I usually put in a bottle in the fill-up after I do an oil change. Is that bad?
No, its not bad. Seems people simply think that the Old oil is on its way out anyways, so why not run Fuel Cleaner in the Tank prior to disposing of the old, used-up Oil. Id agree.
Anyways, the Fuel system shouldnt affect the Oil, really.
I usually put in a bottle in the fill-up after I do an oil change. Is that bad?
No, its not bad. Seems people simply think that the Old oil is on its way out anyways, so why not run Fuel Cleaner in the Tank prior to disposing of the old, used-up Oil. Id agree.
Anyways, the Fuel system shouldnt affect the Oil, really.
No I do the same with Amsoil P.I. I don't think it will hurt a thing. Really a very miniscule amount gets in to the oil.
We've seen UOA's where fuel system cleaners have caused certain metals, such as copper, to spike. It might be getting into the oil and leaching metal out of the bearings.
I would do it closer to the oil change if you're worried. Then you're assured to get out whatever might be in the oil with the change.
IMO, just use the stuff whenever. That's IMO, FWIW.
IMO, just use the stuff whenever. That's IMO, FWIW.
Why would a cleaner get into the oil if gas doesn't? Also wouldn't a cleaner in oil evaporate away like gas does?
Originally Posted By: chevrofreak
We've seen UOA's where fuel system cleaners have caused certain metals, such as copper, to spike. It might be getting into the oil and leaching metal out of the bearings.
This is nonsense.
Unless I saw a clinical test that was certified by API or something I would seriously doubt this is the case..
At least with the major brand products like Regane, Techron, and Redline...
Essentially all those bottle products contain is a kerosene carrier and PEA....PEA will not "etch" metal. And is no more harmful to metal than the detergents contained in motor oil.
We've seen UOA's where fuel system cleaners have caused certain metals, such as copper, to spike. It might be getting into the oil and leaching metal out of the bearings.
This is nonsense.
Unless I saw a clinical test that was certified by API or something I would seriously doubt this is the case..
At least with the major brand products like Regane, Techron, and Redline...
Essentially all those bottle products contain is a kerosene carrier and PEA....PEA will not "etch" metal. And is no more harmful to metal than the detergents contained in motor oil.
It was with Techron, which is not just PEA and kerosene.
I usually get the oil changed, then dump it in. All my filters and fluid sit in the same box, so I do it all at once.
My car has 95K on it and I'm unsure if the previous owner did any sort of cleaning to the fuel system. Would I cause any harm to run a cleaner I can find at Wal-Mart? What are the popular choices here at BITOG?
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