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Varnish

Old 10-31-2005, 12:45 PM
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prop wash
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Default Varnish

Anyone know of a home recipe for getting varnish off my pitts style muffler???Tom
Old 10-31-2005, 01:16 PM
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TLH101
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Default RE: Varnish

Antifreeze in a crockpot on low for a few hours. Makes parts look like new, especially those with varnish build-up. Will scrub off with an old toothbrush after soaking.
http://www.rcuniverse.com/forum/m_12...tm.htm#1207200
Old 10-31-2005, 02:48 PM
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Default RE: Varnish

pd680 would probably work
Old 10-31-2005, 04:11 PM
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prop wash
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Default RE: Varnish

Thanks Terry and Jeff,this is just what I was looking for.Jeff what is pd680???Tom
Old 10-31-2005, 05:02 PM
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Default RE: Varnish

I used to have a lot of problem with gunk buildup on my engines untill I switched to synthetic oils, now my engines are always clean.
Old 11-02-2005, 09:20 AM
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Default RE: Varnish


ORIGINAL: jeffk464

pd680 would probably work
PD-680 - Wow...haven't heard that term since 1980! USAF 31st TTW- 309TH AMU - Homestead AFB, Florida.
That crap got into my eyes and blinded me for 5 days! Damm F-4's!

Nick
Old 11-02-2005, 12:57 PM
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Default RE: Varnish

Yup, I was stationed at Hurlburt Field FL 1998 - 2004. I tried everything to get varnish off my engines including paint thinner, with not much luck. Once you get it off, I would stay away from fuel with caster oil in it.
Old 11-05-2005, 08:02 PM
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prop wash
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Default RE: Varnish

Thanks Jeff,but I fly a Moki 210 and they recommend castor.Where can I get some pd680?Tom
Old 11-06-2005, 09:26 PM
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Default RE: Varnish

CAUTION: if use a crock pot and antifreeze NEVER use it for food again
Old 11-07-2005, 10:08 AM
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Default RE: Varnish

why not just head over to Pep Boys or some other similar large auto parts place and pick up a gallon of Berriman's (sp) Carburetor Dip. I have used this stuff for years cleaning my aluminum alloy carbs. Just be careful - the stuff IS caustic (ie melts paint off) and can cause the skin on your hands to peel if you get any on there and leave it on. I have gotten some on my hands, but wash them right away which stops the process. You can wash the part in hot soapy water once you pull it of the dip and it will look brand new....

randy
Old 11-07-2005, 06:38 PM
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Default RE: Varnish

Aluminum safe paint stripper. I have used aeroplane paint stripper as well but it is the same stuff, just spray it on and then wash it off a few minutes later. I have got it from Discount Auto and Home Depot. Sherwin williams I think have their own brand. Zbest engine cleaner was sold in hobby shops for ages and that is all it was.
Good Luck
Paul
Old 11-08-2005, 08:36 PM
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Default RE: Varnish

Thanks for the input gang.I tried cold oven cleaner but it didn't work very well.So I'll take a trip to my local auto parts store and see what I can do.Now,what about an after run engine oil?? Thankfull form your help.Tom ps I'm cheep,so if I can get a home brew I'll be happy.
Old 11-08-2005, 11:34 PM
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Default RE: Varnish

ORIGINAL: bosssman

why not just head over to Pep Boys or some other similar large auto parts place and pick up a gallon of Berriman's (sp) Carburetor Dip. I have used this stuff for years cleaning my aluminum alloy carbs. Just be careful - the stuff IS caustic (ie melts paint off) and can cause the skin on your hands to peel if you get any on there and leave it on. I have gotten some on my hands, but wash them right away which stops the process. You can wash the part in hot soapy water once you pull it of the dip and it will look brand new....

randy
just make sure you strip the engine down and remove o rings gaskets etc. If you don't, the dip will remove them for you
Old 11-08-2005, 11:42 PM
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mirwin
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Default RE: Varnish

I advise you to test whatever chemical you buy on something other than your engine. Some chemicals will really screw up aluminum.

Old 11-09-2005, 08:29 AM
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Default RE: Varnish


ORIGINAL: mirwin

I advise you to test whatever chemical you buy on something other than your engine. Some chemicals will really screw up aluminum.


Good advice. I used some sort of brake parts cleaner several years ago that turmed an engine nearly black.
Old 11-10-2005, 03:12 PM
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prop wash
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Default RE: Varnish

663 the Moki is still whistle clean,just the pitts muffler is varnished up.Thanks for all your help this is good.Tom.[ Now does anyone have a home brew after run engine oil???][:-]
Old 11-10-2005, 05:27 PM
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rollmyown
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Default RE: Varnish

Hi Propwash

A good after run oil is easy to answer. Automatic transmission fluid works great. Look how long it stays in a transmission, it lubricates, prevents rust etc. There is a lot of engineering behind this stuff. I and lots of others have used it for years.

John
Old 11-23-2005, 07:53 PM
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Default RE: Varnish

Thanks John,I used it last winter and I like it but in the spring even after I flushed the engines out I could smell the burned trans fluid.I don't think it hurt at all and I know its good stuff so I think I'll stick with the Trans Oil.Thanks everybody.Tom

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