Model A Ford - (1 of 3) Automatic spark advance

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Warning: No Model As appear in this video. If you need an actual Model A in your video, wait for part 2.
This video explores the background of the WIlliams/Phillips/Nu-Rex Automatic Spark Control device, the first centrifugal spark advance you could buy for the Model A (way back in 1930). We look at how spark timing works in general, what an automatic advance device for the Model A needs to do, and how exactly the Nu-Rex version of this device works.
Link to the engine animation: www.stefanelli...
In part 2 (coming soon!) we'll test the Nu-Rex Automatic Spark Timing System in a 1929 Model A to see what sort of real-world timing curve it produces.

Опубликовано:

30 сен 2024

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Комментарии : 25

@carmengianforte2501 2 года назад

Great example of how this system works. Can't wait to see Part 2!!

@essentialjudge2279 2 года назад

Compress the explosion if you want horsepower. Feather the timing where the motor runs best at the speed your running.

@fuscakaiser4318 2 года назад

Could you add the link for this website please, great video!

@alexiskai 2 года назад

Link added in description, thanks

@andy41417 3 года назад

Great product. That and P. electronic ignition replacing points makes a reliable performer my last 15:years.

@halfwaydecentvehicles 3 месяца назад

Cool ,some people are using the term hard R

@W1LSU 3 года назад

Great job explaining this to us very much appreciated and I am understanding my engine much better

@AstraWerke 3 года назад

The explanation of the advance mechanism blew my mind - so simple, yet so well thought through. Brilliant!

@alexiskai 3 года назад

It's very elegant. What's interesting is that it's more elegant than what Williams patented in Jan. 1930. Between the patent application and bringing the device to market, subtle improvements were made. I assume these were recommended by the engineers at the firm Williams contracted with to build it, Phillips Manufacturing Co.

@terrypampel1756 3 года назад

Great information. Very well explained and I’m looking forward to your next edition in this series. Thank you.

@paulsmith460 3 года назад

Very informative...looking forward to parts 2 & 3. Thanks!

@mafcawebmaster4237 3 года назад

Great job explaining how the engine works and how this device can automatically change timing. Looking forward to the next parts of your series.

@BillGeurts2269 3 года назад

Very well done. Bravo! Waiting for part 2.

@steverives3060 7 месяцев назад

Does this work well with the High compression head 6:1?

@alexiskai 7 месяцев назад

6:1 is the highest I would go with this accessory, and I would be listening for engine knock under heavy load. If you get knock, I would re-time the engine with the spark lever 1-2 notches down and then either put the lever back at the top full-time (move the entire timing curve down) or be prepared to do so if you hear the knock again. But my understanding is that people do run these with the Snyder's 6:1 heads and it's usually fine.

@steverives3060 7 месяцев назад

@@alexiskai Thank you!

@DrTheRich 2 года назад

It does seem like a very neat tool. But I think I'll keep using manual, as it's just a lot of fun to me to have a manual control vector to an engine modern cars don't have anymore.

@vincentwoeppel9858 2 года назад

I JUST INSTALLED IT LAST WEEK, BUT I HAVEN'T HAD A CHANCE TO DRIVE IT YET, WHEN IS PART 2 COMING OUT?

@alexiskai 2 года назад

Really hoping to shoot the last segment this weekend.

@michaelbesler7469 2 года назад

Can this be used on the model B engine? I have a 32 B in my 31.

@alexiskai 2 года назад

That's a great question, I'm not sure. Are you using a B distributor on it or an A distributor?

@michaelbesler7469 2 года назад

That’s a good question, I only just bought this car and know close to nothing about madel A. Can it use a A distributor in a B

@alexiskai 2 года назад

@@michaelbesler7469 Yes, you can use an A distributor on a B or vice versa. An A distributor will have a rod connecting to a manual control lever on the steering column, which you can use to move the plate on which the points are mounted. The B distributor doesn't have a rod, the plate is fixed in position by a screw on the outside of the distributor body. If you have a B distributor, I wouldn't recommend adding the NuRex advance to it. If you have an A distributor, I *think* it would work, but I would have to see a photo of the valve chamber to be sure. I looked online and I can't find one.

@michaelbesler7469 2 года назад

@@alexiskai I have a rod from steering column so I guess it has an A installed already, do you need a picture with valve cover removed ?

@alexiskai 2 года назад

@@michaelbesler7469 I’d rather not make you go through all that work. My suggestion: email Bob at Nu-Rex and ask. bob-at-nurex-dot-com