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Cox Engine of The Month
Older Thin Wall TD .049
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Older Thin Wall TD .049
I picked this engine up at an estate sale yesterday. It was frozen, and had 50 years of dust and fuel residue on it when I got it. Also, the carburator was washed out and had a split in it. Came home and cleaned it out (not refurbished). It turned out to be a very nice example with excellent compression. Some interesting things I found. It has an unmarked #4 cylinder. The Gold anodizing looks like a rose color similar to the older Golden Bees. The crankshaft was purple in color across the back web and the front. Overall a really nice early model TD. Andy
anm2- Gold Member
- Posts : 293
Join date : 2013-03-30
Re: Older Thin Wall TD .049
Andy, does the conrod have a oil hole in the bottom of it? I have 2 very similar to this one. I found them to be terrific runners. Ken
Ken Cook- Top Poster
- Posts : 5634
Join date : 2012-03-27
Location : pennsylvania
Re: Older Thin Wall TD .049
Ken Cook wrote: Andy, does the conrod have a oil hole in the bottom of it? I have 2 very similar to this one. I found them to be terrific runners. Ken
Ken,
Yes, it does. I noticed the hole in the bottom of the conrod when I was putting it back together. I meant to mention that too. I vaguely recall a conversation about it on the forum but didn't remember why it was there. I am guessing this is from the first year the engine came out, only because it is before they started numbering the cylinders. Either that, or they made a mistake, but I am guessing this is an early run engine. The deep purple hue of the crankshaft really caught my eye. Andy
anm2- Gold Member
- Posts : 293
Join date : 2013-03-30
Re: Older Thin Wall TD .049
I have an .051 that is identical. Mine has a 5 on the cylinder though.
The purple hue on your crank puzzles me. Are you sure it just didn't get really hot at one time?
Ron
The purple hue on your crank puzzles me. Are you sure it just didn't get really hot at one time?
Ron
Cribbs74- Moderator
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Posts : 11907
Join date : 2011-10-24
Age : 50
Location : Tuttle, OK
Re: Older Thin Wall TD .049
That's likely what happened, as the anodizing is faded. When anodized aluminum gets hot over a period of time the colors can fade. None the less its still a pretty nice early Tee Dee.
I can't remember for sure, but I think the new crank/case number came out in the early seventies?
I can't remember for sure, but I think the new crank/case number came out in the early seventies?
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