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icrashrc
Joined: 16 Mar 2006
Posts: 247
Location: Mishawaka, In
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 Posted: Mon Sep 22, 2008 6:34 am Post subject: While we're on the subject of oil... |
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Does anyone know if one brand/ type/ weight of oil does a better job of scavenging lead then the others? I have a used 912uls that was run on 100ll but had oil changes on the mo-gas schedule. The engine only has 180 hours on it. I'm sure there's some excess lead buildup in the crankcase. Lockwood has looked over the gearbox and pronounced it fine.
Also, I've read in the past about a fuel additive that scavenges lead from the top end but last i knew they quit making it. Is there any product like that still on the market?
Thanks,
Scott
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ollie6a(at)embarqmail.com
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| Posted: Mon Sep 22, 2008 7:02 am Post subject: While we're on the subject of oil... |
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Lockwood sells TCP which is supposed to scavenge the lead
Ollie
On Mon, Sep 22, 2008 at 10:34 AM, icrashrc <icrashrc(at)aol.com (icrashrc(at)aol.com)> wrote:
[quote]--> RotaxEngines-List message posted by: "icrashrc" <icrashrc(at)aol.com (icrashrc(at)aol.com)>
Does anyone know if one brand/ type/ weight of oil does a better job of scavenging lead then the others? I have a used 912uls that was run on 100ll but had oil changes on the mo-gas schedule. The engine only has 180 hours on it. I'm sure there's some excess lead buildup in the crankcase. Lockwood has looked over the gearbox and pronounced it fine.
Also, I've read in the past about a fuel additive that scavenges lead from the top end but last i knew they quit making it. Is there any product like that still on the market?
Thanks,
Scott
Read this topic online here:
[url=http://forums.matronics.com/viewtopic.php?p 5496#205496]http://forums.matronics.com/viewtopic.php?p 5496#205496[/url]
[b]
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rlborger(at)mac.com
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| Posted: Mon Sep 22, 2008 7:04 am Post subject: While we're on the subject of oil... |
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Scott,
There is ALCOR TCP (hazmat, it is not transportable in your aircraft) and Decalin Runup Fuel Additive (not hazmat, it is transportable in your aircraft). Both are supposed to scavenge lead. In addition, I have heard that Marvel Mystery Oil is supposed to be able to assist lead removal. All are available from Aircraft Spruce.
I plan to use the Decalin and Marvel products in my 914 when I begin to run it regularly.
Check six,
Bob Borger
Europa XS, short wings, Rotax 914 w/ intercooler & Airmaster C/S prop.
99.9% complete. Shaking out radio gremlins...
On Monday, September 22, 2008, at 09:34AM, "icrashrc" <icrashrc(at)aol.com> wrote:
| Quote: |
Does anyone know if one brand/ type/ weight of oil does a better job of scavenging lead then the others? I have a used 912uls that was run on 100ll but had oil changes on the mo-gas schedule. The engine only has 180 hours on it. I'm sure there's some excess lead buildup in the crankcase. Lockwood has looked over the gearbox and pronounced it fine.
Also, I've read in the past about a fuel additive that scavenges lead from the top end but last i knew they quit making it. Is there any product like that still on the market?
Thanks,
Scott
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daberti(at)sbcglobal.net
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| Posted: Mon Sep 22, 2008 4:40 pm Post subject: While we're on the subject of oil... |
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Almost everyone I know that uses Alcor carries it in their planes. Alcor
suspended shipping the easy to measure containers due to leaking at the cap
seal. It may be available again now. I use the Alcor when Auto Fuel is
unavailable.
--
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icrashrc
Joined: 16 Mar 2006
Posts: 247
Location: Mishawaka, In
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| Posted: Tue Sep 23, 2008 6:49 am Post subject: Re: While we're on the subject of oil... |
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I'll pick up some Alcor or Decalin Runup Fuel Additive to help clean out the top end. I was hoping there was a similar product to add to the crankcase oil. I don't know what to do about the bottom end except use semi synthetic oil and change it every ten hours or so the first few times.
Thanks to all,
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Scott
www.ill-EagleAviation.com
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rampil
Joined: 04 May 2007
Posts: 870
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| Posted: Thu Sep 25, 2008 6:04 am Post subject: Re: While we're on the subject of oil... |
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TCP and Decalin render the lead soft and pasty but not soluble.
100LL burned without these products produces harder, crusty lead
which is harder to clean off plugs and valves.
The crusty lead now at the bottom of your crankcase is now there
until you scrape it off (good luck!), but will probably not harm anything
by its presence.
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