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Old 11-14-2007, 07:30 PM   #1
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Default After Run Oil

Hi good people!

A buddy of mine told me that instead of using 'after run oil', one can use '2t or 4t motorcycle motor oil'....how true is this?

Your advices/experiences, good people, is highly appreciated!

Thanks
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Old 11-14-2007, 11:56 PM   #2
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You want to use an castor based oil which can be mixed with methanol, most castor oils can but if you do a search for special oils for methanol engines.

But why ?
One tiny bottle afterrun can go for a long time.....
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Old 11-15-2007, 09:41 PM   #3
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Petroleum based fluids will deterioate the o-ring seals in some engines. It would be safer to stick with castor based after run oils.
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Old 11-15-2007, 09:48 PM   #4
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Save yourself some money and buy a bottle of transmission fluid works a treat
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Old 11-16-2007, 05:53 AM   #5
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......been using Marvel Mystery Oil for years.............seems to work great, no rust anywhwere............
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Old 11-16-2007, 08:51 AM   #6
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I just use ATF, it's because ATF is an excellent anti oxidation oil and contains high amount of detergent to clean engine's internal.
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Old 11-16-2007, 09:14 AM   #7
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Quote:
Originally Posted by Taylorm View Post
......been using Marvel Mystery Oil for years.............seems to work great, no rust anywhwere............
This and the ATF suggestion are both great choices. One thing to be careful of: If you have a "slugged" crank (one that has been lightened and has a silicone plug in the intake area) you must not use either of these. Use good ol' fashioned mineral oil only. Petoleum oils will eat that silicone plug fast.
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Old 11-16-2007, 10:48 AM   #8
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Quote:
Originally Posted by Davidka View Post
This and the ATF suggestion are both great choices. One thing to be careful of: If you have a "slugged" crank (one that has been lightened and has a silicone plug in the intake area) you must not use either of these. Use good ol' fashioned mineral oil only. Petoleum oils will eat that silicone plug fast.
My IDM engines has filled cranks, no problem using ATF. just avoid WD-40, it will dissolve crank putty.
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Old 11-17-2007, 09:09 AM   #9
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Thanks a zillion, good people! Really appreciate that!!
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Old 11-18-2007, 08:17 AM   #10
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what about those Tamiya engine treatment spray ?
Been using it seems pretty good.
Anybody here try it ?
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Old 11-18-2007, 06:04 PM   #11
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Quote:
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what about those Tamiya engine treatment spray ?
Been using it seems pretty good.
Anybody here try it ?
The Tamiya Treatment spray is good and does not ea the silicon puty in the crank. Its basically Fuch's based Mineral Oil that is bottled in a spray can. It's viscosity is lower than engine oil, thus it does not leaves a thick coat of oil in your engine. Pros" It leaves a thin coat of protectant in your engine." Cons: " You pay alot more for it "
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