Cox Engine Stories

rsv1cox Fri Oct 15, 2021 2:55 pm

Related to my "It's raining Cox Engines" thread.

Check out the black plate on the left. What story does this tell you because I don't have a clue. Ok, well, I do have a clue but it's a small one.

Each of the 16 "raining" engines is unique and has a story to tell. I will post here about them over the next few days, saving the best story for last.

Marleysky Fri Oct 15, 2021 4:00 pm

I can see a couple of differences between the two. The Left one, has no intake screen, might have a larger intake ID. The Made in USA only has "In USA" cast in the back plate that looks to be of the same material as the Sure-Start mounts, It also only shows one fill tube nipple. I'm guessing it has the small hole for venting, vs the two nipple backplate on the right. Huh...

my

**Cribbs74** Fri Oct 15, 2021 4:18 pm

Looks like a grey plastic Cox “Texaco” backplate.

Oldenginerod Fri Oct 15, 2021 4:44 pm

Cribbs74 wrote:Looks like a grey plastic Cox “Texaco” backplate.

Yep.. I'd say so!

rsv1cox Fri Oct 15, 2021 5:17 pm

Yes, but what I found curious is the word "Made" is missing from the intake relief, maybe a manufacturing variation.

And what's it doing on an early Babe Bee thin wall? Maybe someone mixed and matched? This engine looks like it has never been ran or even mounted. It's near perfect.

And, good one Rene, I knew that I had seen that green spinner before. Embarassed

**Cribbs74** Fri Oct 15, 2021 5:49 pm

Friday product! Very Happy

It’s definitely a mismatch and a bitsa engine. We clean these things up near new.

Early snout, 60/70’s tank Thin wall cylinder and a big NV on a late plastic backplate.

rsv1cox Fri Oct 15, 2021 6:14 pm

Cribbs74 wrote:Friday product!

It’s definitely a mismatch and a bitsa engine. We clean these things up near new.

Early snout, 60/70’s tank Thin wall cylinder and a big NV on a late plastic backplate.

I would agree Ron, has to be. Question is...........why?

Oldenginerod Fri Oct 15, 2021 6:32 pm

rsv1cox wrote:
Cribbs74 wrote:Friday product!

It’s definitely a mismatch and a bitsa engine. We clean these things up near new.

Early snout, 60/70’s tank Thin wall cylinder and a big NV on a late plastic backplate.

I would agree Ron, has to be. Question is...........why?

Maybe they broke the original backplate and the Texaco one was purchased as a spare part from an unwitting hobby shop owner.
The Texaco backplate usually has a smaller than standard venturi diameter for economy purposes.

**Cribbs74** Fri Oct 15, 2021 7:11 pm

When looking to make a few bucks and you have spare Cox parts laying around why not assemble what you have together? Leroy made all parts work together for the most part. It makes it real easy to mix and match. I wouldn’t think too far into it.

To me putting a Texaco backplate on a Babe Bee would make absolutely no sense. Unless, they were trying to make a duration engine or had no idea about what parts do what.

NEW222 Fri Oct 15, 2021 9:46 pm

Interesting for sure. I learned something new today in that the Cox Texaco had a grey plastic backplate!

balogh Sat Oct 16, 2021 12:27 am

Looking at the surface roughness it seems like the "MADE IN" was ground off to widen the tapered intake channel upstream the venturi by the previous owner...a surgical tuning? Does not look like it was injection moulded by COX this way.?

rsv1cox Sat Oct 16, 2021 7:39 am

I just found it curious. Interesting combination. Just another story to tell.

Can't get a really good picture.

I'll open it up sometime and check out the reed etc. Maybe even a "W" glow head element. Smile

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