Help with Ignition System

[hrpearce]

I hope these pictures help. If they are not clear enough send your E Mail in a PM and I will send you full size images.

[Richard Farrant]

Here are two photos from manuals, the drawing shows the HT leads on a Canadian Mk1, the photo is the British Carrier, with Lucas coil and Ign Filter unit, blocking where the hole in the tube would be and HT lead for No.5 coming straight up from the dizzy.

[Lynn Eades]

Alistair, I haven't been through this yet, either. So this is a guess
The British dizzy allows for the leads to cross at the cap.
The crab dizzy doesn't, and so leads 3 and 5 must cross over on top of the motor.
There are different conduits for the different dizzys, and each has its left and right. So no 5 lead comes from the other side tube (on the inside)etc. See Robert's first picture.
I assume you intend to remove your pumps to press the pulleys on?

[ajmac]

Thanks to all.
The manual shots with the Crab distributor give all the detail that I require! I never thought to compare the crab distributor HT connections with the firing order. Now I know the RF interference reduction capacitor unit is for the original Ford coil on distributor (divers helmet) arrangement and if I want to fit a UK spec canister coil I need the other radio filter type. Can anyone help me out with that?
I do have the Ford coil mount for use with the Bakelite coil as shown the the crab distributor Manual image earlier in this thread. Was this ever used during wartime? Loyd TTs didn't have radios so unless it was a statutory requirement for any kind of tracked carrier perhaps they didn't require HT noise filters.....however the only wartime loyd engine phot that I have does show one fitted on an engine with the coil on distributor setup.

Ps. The water pumps are fitted without gaskets just to mask the mating faces during the paint spray. They are already on the bench to have the pulleys pressed on.

[Lynn Eades]

Alistair, Chillwell 63/63 (U.C book)shows the Lucas distributor with in line H.T. supressors about 2 inches from the cap.
BTW. The same book identifies different coloured leads;
Red 1+5
blue 2+7
green 3+8
yellow 4+6
The coil and filter box are together mounted on a bracket bolted to the front of the LH cylinder head.
Having read this far I now see that all the above, applies to British (Lucas) set up
The Divers helmet type is wire differently;
red 1+5
blue 2+6
green 3+7
yellow 4+8
These distributors also have the in line suppressors under the rubber boots.

These ht leads have a braided outer that is varnished.
At the time of printing (jan 43) the Crab dizzy hadn't made its way across the Atlantic and into print.

BTW. I am looking for rotors for the lucas dizzy.

[ajmac]

Lynn,
You can buy the coloured HT lead sets from the US, but I can't stretch to that so I am going down the all black braided route sourced in England. I have gone for right angle plug connectors with built in supressors it should look period if not correct in colour.

This is a wartime Loyd photo showing a Canadian spec ( I say that because I think I can make out a 'C' at the start of the part number on the head and it doesn't have a Ford USA carburetor) 24 stud with divers helmet distributor.


Thinking about it, Windsor Carriers were very late (1944) could someone look up the engine ignition section, perhaps that will cover a Carrier spec Flathead with Crab distributor? I have already been through the T16 manual and it only shows the original Ford 'Divers Helmet' version.

[Lynn Eades]

Alistair, I think a truck book will do it.
BTW, If your going by the head, it says USA under the centre head stud.
Thats a British Solex carb.
Here in NZ we can buy the normal plastic, copper cored wire with the variously coloured braid on it, but as you say, quite expensive.
I see the bracket for the filter is drilled to fit the 21 and 24 stud motors.
Thats a nice informative picture. on that note, how do you post such big pictures?

[Richard Farrant]

Originally Posted by ajmac

Thinking about it, Windsor Carriers were very late (1944) could someone look up the engine ignition section, perhaps that will cover a Carrier spec Flathead with Crab distributor? I have already been through the T16 manual and it only shows the original Ford 'Divers Helmet' version.

Hi Alastair,
The Windsor's dizzy is contained in a box and the HT leads are metal braided with no conduits used. So of no help to you.

regards, Richard