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Sticky Cox Engine
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Sticky Cox Engine
I have an old Cox dune buggy that I want to fix up for a friend. I have had the buggy for years. Found it at a yard sell. When I unboxed it, everything had a sticky coating. I was able to clean most of it using WD-40. What I have left to clean is the engine. I am guessing the sticky residue is old fuel?? What is the best way to clean the engine? Do I dunk in a jar filled with a solvent? If so, what solvent should I use? Do I take it apart first? I am not really trying to get it in running condition, I just want it to be in nice condition when I give it to him. Thank, Dennis
strainst- New Member
- Posts : 3
Join date : 2018-06-11
Re: Sticky Cox Engine
1st off: WELCOME to the Forum!
You’ve done the easy part first. WD 40 the plastic body won’t do any harm.
Always start with the least abrasive cleaner (isopropyl alcohol and a soft cloth) and work your way up to toothpaste with out leaving scratches.
I Did a quick search on “cleaning” and found 47 posts on “cleaning” here: https://www.coxengineforum.com/search?search_keywords=Cleaning+&typerecherche=interne&show_results=topics
It’ll depend on your definition of “nice looking” as how much effort you put into the engine clean up. No need to break it down or tear it apart if you don’t plan on running it. A good cleaning with a toothbrush and isopropyl alcohol (91%) should remove the old sticky fuel residue. If you want to make it look like new, you’ll have to use a Dremel buffing wheel and aluminum polish for that mirror smooth finish.
You’ve done the easy part first. WD 40 the plastic body won’t do any harm.
Always start with the least abrasive cleaner (isopropyl alcohol and a soft cloth) and work your way up to toothpaste with out leaving scratches.
I Did a quick search on “cleaning” and found 47 posts on “cleaning” here: https://www.coxengineforum.com/search?search_keywords=Cleaning+&typerecherche=interne&show_results=topics
It’ll depend on your definition of “nice looking” as how much effort you put into the engine clean up. No need to break it down or tear it apart if you don’t plan on running it. A good cleaning with a toothbrush and isopropyl alcohol (91%) should remove the old sticky fuel residue. If you want to make it look like new, you’ll have to use a Dremel buffing wheel and aluminum polish for that mirror smooth finish.
Marleysky- Top Poster
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Posts : 3618
Join date : 2014-09-28
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Location : Grand Rapids, MI
Re: Sticky Cox Engine
Hi Dennis, Welcome to the forum. It may be best to hold-off on any more cleaning. Your friend (the recipient) may want to tackle that; where you're not planning on disassembling the engine to clean it internally. If there's a chance that your friend wants to run the model.. it's better to have one person do that work.. rather than removing the engine "twice".. i.e; once for cleaning.. and then again for rebuilding. Aged plastic screw-bosses are sensitive to repeated assembly.. and care must be taken when re-installing screws; NOT to cross-thread or over-tighten them.
A few of our active members have Cox Dune Buggy's.. so there are resources here for spare-parts.. and information about the model.
Best of luck Dennis.
A few of our active members have Cox Dune Buggy's.. so there are resources here for spare-parts.. and information about the model.
Best of luck Dennis.
Re: Sticky Cox Engine
Thank you for the links to cleaning gunked-up Cox engines. A lot of information in those posts. My engine is completely frozen. I am concerned about some of the cleaning methods since the plastic flywheel is still attached and I don't want to damage it. I will try the alcohol first since I have some on hand. I will look to see if I have some acetone if I need to do additional cleaning being very careful around the plastic parts.
Dennis
Dennis
strainst- New Member
- Posts : 3
Join date : 2018-06-11
Sticky motor unstuck! Now looking for rear wheel inner rim and how it fits together
The alcohol worked! Thank you for the information and directions in helping me to free up the motor. The next step is to try and get the rear wheel assembly off of the axle shaft. One of the two rear assemblies is broken. I have been looking for rear inner rim section. I have a good tire, outer rim, and the ring section that fits inside of the tire. I have not been able to remove the old inner rim section as it is glued on to the axle, I think with dried up fuel residue. I have not wanted to soak in alcohol for fear of the alcohol removing the black paint from the rim. When I find the parts I need then I can remove the broken section from the axle. Also how does it all fit together? The assembly on the other side seems to be all one piece. Does anyone have an extra rear rim assembly? If you need a picture or the part, please let me know. Thanks, Dennis
strainst- New Member
- Posts : 3
Join date : 2018-06-11
Re: Sticky Cox Engine
I dont know if this helps but its from the instruction sheets to the left of the page .. https://5dbfd882-a-62cb3a1a-s-sites.googlegroups.com/site/coxengineforumfiles/Dune%20Buggy.pdf?attachauth=ANoY7cpXmPJsyyXNvfqkloEyJg9XXzqcIQUClBlVhVyS96RtkOe663Ga24Wgaey0qDegSQY-vUODCGyJXUk_vaGIF-etTv9QY8Oren5OvCwb_lIZz-CFYsV68lF0QyhlqpVn27H12K3zzs2xS5vN7DGbDDLWnfMMClHdqG595sR3xraJ8RW_iLb1PTeEuKr858rSKOw8GVSGgbGjAbWxaSwd5rKzfG-DHLMOK6z3-SQeCMayoQYP8j8%3D&attredirects=0 Ron Cribbs has been looking for some wheel/tires for his for sometime they come up on ebay but are pricey !! https://www.ebay.com/itm/Cox-Dune-Buggy-and-Baja-Bug-parts/153075271436?hash=item23a3ff470c:g:1bQAAOSwQbNbMTex
getback- Top Poster
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