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Cox Engine of The Month
Number stamped on TD lugs
Page 1 of 1
Number stamped on TD lugs
I have a Tee Dee .051 and the left lug has a "2" stamped on it. It has a screened venturi, and single exhaust port. Can anyone tell me the significance of "2" or will it be forever a mystery known only to God?
steve thornton- Bronze Member
- Posts : 44
Join date : 2013-10-06
Location : SE Michigan
Re: Number stamped on TD lugs
There was a change to the engine along the way
https://www.coxengineforum.com/t1459-number-two-s?highlight=number+two
https://www.coxengineforum.com/t1459-number-two-s?highlight=number+two
crankbndr- Top Poster
- Posts : 3102
Join date : 2011-12-10
Location : Homestead FL
Re: Number stamped on TD lugs
I ran into this when I bought a lot of parts. Most of the engines were taken apart and I put a TD .051 together but couldn't turn it after it was together. Old crankcase with new thick web crankshaft. Had to swap parts around to get it to work.
Jason_WI- Top Poster
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Posts : 3123
Join date : 2011-10-09
Age : 49
Location : Neenah, WI
Re: Number stamped on TD lugs
Mine turns over with great compression and pop. I just am curious what that 2 meant. I am not sure, but I think I understand that I don't know for sureJason_WI wrote:I ran into this when I bought a lot of parts. Most of the engines were taken apart and I put a TD .051 together but couldn't turn it after it was together. Old crankcase with new thick web crankshaft. Had to swap parts around to get it to work.
Thanks Jason
steve thornton- Bronze Member
- Posts : 44
Join date : 2013-10-06
Location : SE Michigan
Jason_WI- Top Poster
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Posts : 3123
Join date : 2011-10-09
Age : 49
Location : Neenah, WI
Tee Bee- Platinum Member
- Posts : 763
Join date : 2011-08-25
Location : Angleton, TX
Re: Number stamped on TD lugs
Where do you see in the documents the year of manufacture? I typically look at ther Litho....note in the footer of the Operation Manual where a year is mentioned that gives me a hint of what the earliest possible year of the manufacture may be...
balogh- Top Poster
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Posts : 4904
Join date : 2011-11-06
Age : 65
Location : Budapest Hungary
Re: Number stamped on TD lugs
The paper instruction sheet and a Special Notice insert regarding the high compression glow head were both dated 1/74. Many of the Cox engines sold in the boxes were attached by a wire tie to a card insert. They usually stamped the manufacture date on the back of those card inserts. No markings regarding date were made to the engines themselves that I know of.
Tee Bee- Platinum Member
- Posts : 763
Join date : 2011-08-25
Location : Angleton, TX
Re: Number stamped on TD lugs
I saw those dates stamped on some of the cardboard sheets of paper boxed engines but the chrystal boxed ones only had the dates on the instruction sheets as said. Assuming COX did not inventory instruction sheets and engines for years where sheets and engines of different printing and production years could have been paired, the printed Litho...years may be the only guidance as to the vintage year.
balogh- Top Poster
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Posts : 4904
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