Mark Gregory

Delco Remy T-491 Synchronizing Tool

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Does anyone know someone who might sell an original or reproduction of this ? This was used on the 1931 Reo Royale  Chrome / Nickel  8 cylinder 358 cubic inch 125 HP Motor .

 

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Edited by Mark Gregory (see edit history)

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I hate when I’m looking for something on the internet and can only find a want ad...

 

Did you have any luck? 

 

I too could use one of these tools, it’s listed in the Pierce Arrow tune-up charts as a Delco Remy synchronization tool #1838182 for type 660 distributors. I might just try to use a good protractor and cut it down - all I need is 45 degrees measured. I’ll let you know how I make out when I get into this project. Doing a search of the tool number brings up a few PDF’s on how it’s used if you need.

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Any luck finding one? I'd like one too.   Everyone wants one but no one has one!  Maybe if someone can locate one it can be borrowed with a security deposit!

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On 2/23/2019 at 11:31 AM, Mark Wetherbee said:

I hate when I’m looking for something on the internet and can only find a want ad...

 

Did you have any luck? 

 

I too could use one of these tools, it’s listed in the Pierce Arrow tune-up charts as a Delco Remy synchronization tool #1838182 for type 660 distributors. I might just try to use a good protractor and cut it down - all I need is 45 degrees measured. I’ll let you know how I make out when I get into this project. Doing a search of the tool number brings up a few PDF’s on how it’s used if you need.

 

 Yes I made one out of a school clear plastic protractor, made a pointer which fitted into the rotor cap drive slot, unfortunately cant find it to photograph right now. 

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 The trouble with buying one is you have to find one that fits your distributor. There are different sizes and the one I had didn't fit my car so I sold it to someone with a small Marmon and it fit his so at least it was of use to someone.

 There is a thread below in the Buick section on a similar subject along with pictures of two crude homemade tools that have been used. It can be found here;  https://forums.aaca.org/topic/329713-1931-dual-point-timing-advice/?tab=comments#comment-1903278

 

 

 

Carl

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Thanks. Yeah, I started that other thread!  Still no answers on why mine is off though.   Distributor shaft seems to be turning "faster" than it should per crank rotation. I will try to fashion a tool though.

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I just posted this on the other thread:

 

I started making one out of an old steel protractor that would mimic the Delco tool but then I bought a book of shop equipment for Pierce, Studebaker, and Rockne cars and found another tool.

 

Here’s the other tool that was listed in that tool catalog, it’s a Winn Synchrometer... This unit is pretty much what was made available at that time and works well considering, but I have also been given the advice to find someone who has a distributor machine to get it set up right.

 

My Pierce uses a Delco-Remy 660P distributor, very similar to yours, and once setup is done you go by the points breaking, which turns a light off. Setting the dial to a 90 position on the seated set of points then adjust the movable set to the 45 marks. 

 

I bought mine on eBay for $100 plus shipping without the instructions and have seen another one selling for the same price with the instructions since I got mine. A bit pricey, but I still think it is working better than the protractor I was working on...

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The other good thing about this kit is that it contains bushings and a height extension so it can be used on several different makes, as noted above...

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 I acquired  a Weidenhoff years ago which is the same as your Winn. Instead of bending over the car I just pull the distributor out and hook up a ohm meter instead of using the lights. I'ts easier on my back that way.

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Mine is set up on a bench top in a vice, perfect height for a bad back!

 

The light or an ohm meter works the same in my opinion, but I don’t have two ohm meters to use at the same time so I used the light.

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On 12/29/2018 at 4:28 AM, Mark Gregory said:

an original or reproduction of this ?

I'd like to know how it was attached to the rotor. There was a similar one for 6 cylinder distributor.

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Here is another page from the Standard Auto-Electricians manual 1937, giving patterns for "protractors".

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