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Old 04-15-2008, 07:34 AM   #1
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Default Question on Air Filter Oil

Hi, Im into off-road buggies and truggies. Can anyone tell me if I can use something like thick gear oil (e.g. HD SAE90wt) to subsitute as air filter oil? What so special about RC air filter oil anyway?

Thanks for your replies.
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Old 04-15-2008, 07:42 AM   #2
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Hi, Im into off-road buggies and truggies. Can anyone tell me if I can use something like thick gear oil (e.g. HD SAE90wt) to subsitute as air filter oil? What so special about RC air filter oil anyway?

Thanks for your replies.
RC air filter oil is not only thick...it's sticky to trap dirt from going in your motor. Do yourself a favor and visit your local ATV shop and buy a quart of Belray filter element oil. It'll cost between 10 and 13 dollars....but you will use it for a loooooong time.
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Old 04-15-2008, 07:44 AM   #3
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Do yourself a favor and visit your local ATV shop and buy a quart of Belray filter element oil. It'll cost between 10 and 13 dollars....but you will use it for a loooooong time.
I've had a bottle for yeeeeears lol. Give some to my friends too. Stuff lasts forever in rc applications since you use so little. Awesome stuff.
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Old 04-15-2008, 07:46 AM   #4
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I don't think you want to try gear oil. That stuff is nasty. You need an oil that can be washed out easily also. You can try the offroad air filter oil from an ATV store. I have one thats red and really sticky, but make sure the one you chose works with the filter element. Some will swell up with the really sticky stuff.
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Old 04-15-2008, 05:38 PM   #5
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x4 on the the atv a/f oil i use PJ1 oil and cleaner on my filter and have had no probs.
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Old 04-15-2008, 05:55 PM   #6
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x4 on the the atv a/f oil i use PJ1 oil and cleaner on my filter and have had no probs.
That's what I was looking for...they only had it in the spray. Belray is working great for me.
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Old 04-15-2008, 05:57 PM   #7
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PJ1 is the SHIZZLES it is so tacky aint nothin gettin through and one can will last you forever.Cost around 7 bucks.
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Old 04-15-2008, 06:28 PM   #8
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Thats the stuff, PJ1. Works great on my Mugen and Proline filters. Just don't use it on Kyosho HD filter elements. Those swell like a balloon. If you use a little, maybe its OK, but it doens't take it as well as the others.
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Old 04-15-2008, 06:44 PM   #9
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I think the price of most tiny bottles of "R/C Air Filter oil" is outrageous. I agree with the others about visiting the ATV shop and buying a bottle of Klotz or Belray or whatever good brand they stock. I will go through a half a dozen engines before my bottle of Klotz runs out. Just my opinion.
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Old 04-16-2008, 03:59 AM   #10
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PJ1 also makes filter cleaner spray and it also works great.Most of my friends and I ran quads and dirt bikes for years and we always used PJ1 for our machines.BEL-RAY and Golden Spectro are also great but they are not quit as sticky as the PJ1 but that could be a good thing if one is washing the filter out with soapy water in the house.I think that all of them offer it in both spray and regular bottles.Spraying the filter oil into a sandwich bag with the filter and working it into the filter is the cleanest way that I have found to apply it.


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