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Cox Sandblaster clean-up
Page 1 of 1
Cox Sandblaster clean-up
rsv1cox Tue Nov 15, 2022 9:07 am
Not a restoration, nothing really broken just locked up and nasty. Five dollar flea market buy. Mark.
Except for the upper body shell everything got dumped in Berrymans. Works wonders on castor goo which coated everything. Berrymans plus heat freed the pull starter. Many of these twisted wire cords are frayed but this one, perfect.
High compression head.
#8 cylinder.
Milar star reed,
Gaskets on either side of fuel line. Looks like venturi gaskets.
3/16" socket works on the hex shaft. Never try to turn a locked engine with the cooling fan.
Drive gear lock/unlock.
Adjustable steering notch locks.
I could remove and refinish all the "gold" plastic pieces and risk breaking them, if I did that it would lead to new decals, which would lead to new tires, which would lead to.....
Stays as is.
Except for the upper body shell everything got dumped in Berrymans. Works wonders on castor goo which coated everything. Berrymans plus heat freed the pull starter. Many of these twisted wire cords are frayed but this one, perfect.
High compression head.
#8 cylinder.
Milar star reed,
Gaskets on either side of fuel line. Looks like venturi gaskets.
3/16" socket works on the hex shaft. Never try to turn a locked engine with the cooling fan.
Drive gear lock/unlock.
Adjustable steering notch locks.
I could remove and refinish all the "gold" plastic pieces and risk breaking them, if I did that it would lead to new decals, which would lead to new tires, which would lead to.....
Stays as is.
Last edited by rsv1cox on Tue Nov 15, 2022 9:21 am; edited 1 time in total
rsv1cox- Top Poster
Posts : 9009
Join date : 2014-08-18
Location : West Virginia
Re: Cox Sandblaster clean-up
rdw777 Tue Nov 15, 2022 9:19 am
Nice Sandblaster and super car collection Bob…. Seems like a unique backplate on the engine?….I had the dune buggy as a kid and had many hours of fun with it… Particularly running it thru water puddles …
rdw777- Platinum Member
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Posts : 691
Join date : 2021-03-11
Location : West Texas
Re: Cox Sandblaster clean-up
rsv1cox Tue Nov 15, 2022 11:57 am
rdw777 wrote:Nice Sandblaster and super car collection Bob…. Seems like a unique backplate on the engine?….I had the dune buggy as a kid and had many hours of fun with it… Particularly running it thru water puddles …
Baja Bug had a similiar drive but the tanked engine had a different plate. Cox made many different variations. Had them all at one time.
When my son turned 14 I bought him motorcycle, a Honda XR-75 trail bike. Thought he would never play with his Cox models after that so I threw away his Cox Trike, Sandblaster, Baja Bug and maybe a few others. They were pretty beat up but he still reminds me about it.
Getting harder to find space for this stuff. I usually keep the bug on a pedistal to prevent the tires from going flat.
rsv1cox- Top Poster
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Location : West Virginia
Re: Cox Sandblaster clean-up
rdw777 Tue Nov 15, 2022 3:05 pm
Yes, my dune buggy had a back end like your Bug…Cast aluminum engine mount…. The chassis finally broke where mount slides in and I threw it away…. It was pretty beat up, I ran the wheels off of it…
I have one car engine and the finned heat sink in my group… Not sure what it came out of, Was given to me by a past club member …. It had the spring type worm drive like your SB…. A forum member was asking for a drive gear so I sent it on….The engine has a # 8 cylinder… Looks kind of like the one on your SB…. Check yours when you have a chance please to see if it happens to be the same…I may cobble up something for this engine one of these days…
I have one car engine and the finned heat sink in my group… Not sure what it came out of, Was given to me by a past club member …. It had the spring type worm drive like your SB…. A forum member was asking for a drive gear so I sent it on….The engine has a # 8 cylinder… Looks kind of like the one on your SB…. Check yours when you have a chance please to see if it happens to be the same…I may cobble up something for this engine one of these days…
rdw777- Platinum Member
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Posts : 691
Join date : 2021-03-11
Location : West Texas
Re: Cox Sandblaster clean-up
rsv1cox Wed Nov 16, 2022 5:20 pm
Yes, same #8 cylinder. Also has the high compression head. Could be a replacement.
Does the pull chain on you'rs work smoothly? It's difficult to take these apart.
Does the pull chain on you'rs work smoothly? It's difficult to take these apart.
rsv1cox- Top Poster
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Posts : 9009
Join date : 2014-08-18
Location : West Virginia
Re: Cox Sandblaster clean-up
rdw777 Thu Nov 17, 2022 12:04 pm
Thanks for checking that Bob…. May give a little hint where mine may have came from… Interesting to note the #8 cylinder does not have SPI… I guess the cars used different mufflers or restrictors, etc…..Yes sir, The pull start gives two or three pops and retracts nicely… All I’ve done is dribble a little air tool oil into it… And yours?… Works OK?… Thanks again for checking the cylinder 
Robert
Robert
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Location : West Texas
Re: Cox Sandblaster clean-up
rsv1cox Thu Nov 17, 2022 1:00 pm
rdw777 wrote:Thanks for checking that Bob…. May give a little hint where mine may have came from… Interesting to note the #8 cylinder does not have SPI… I guess the cars used different mufflers or restrictors, etc…..Yes sir, The pull start gives two or three pops and retracts nicely… All I’ve done is dribble a little air tool oil into it… And yours?… Works OK?… Thanks again for checking the cylinder
Robert
Yes, works great. It wouldn't pull at all when I got it. (Didn't try very hard) Berrymans and heat did the job. Also used Marvel air tool oil, cylinder too. These mechanisms are difficult to take apart, near impossible. Pry and hope. Probably just used once and put away. No tell-tale storage "window" on the piston and no corrosion.
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Cheap fix
Kurtok Sat Feb 04, 2023 7:07 pm
rsv1cox wrote:Yes, same #8 cylinder. Also has the high compression head. Could be a replacement.
Does the pull chain on you'rs work smoothly? It's difficult to take these apart.
I don't have nearly the experience most of the people have on this site but one of the best tools I have is a heat gun. You have to be super careful because most people don't realize how hot these suckers get. A half minute on something that gets it up to 120 degrees or so makes most disassembly work a walk in the park. A soldering iron on the head of a screw also does wonders.
KK
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