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#1
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I'm the other half of the 15 cwt team at the Ontario Regiment Museum. We know the truck has a post war engine, but didn't know from what year, so '46 to '49 seems about right. Besides the engine, we know the transmission came out of a civilian truck, because the shifter is way too long, (Ape hanger comes to mind), I'll include some other pics, when I get a chance.
The other part of Mike's question was regarding continuity through the plug wires; We hooked up an Ohm meter, with one probe on the inside cap terminal for one of the cylinders, then the other probe to the clip that goes on the plug. No matter which wire we moved the probe to, it still indicated an open circuit. Shouldn't we be getting some sort of reading? Now, if the plug wires are pooched, where could we get replacements? |
#2
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Thanks Rob, that will get us going in the right direction.
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#3
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Given the nature of the project, I would recommend if the budget permits, Petronix ignition and coil. Maintenance free after that. especially given how hard it is to get to the points.
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#4
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But if you go the Pertronix way, there should be at least one resistor lead. Either the coil lead or the six plug leads, or preferably a full set. I bought a set from Magnacor.
It's not about radio suppression, but about cross fire (induction of a spark in the wrong lead (EMF?))
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Bluebell Carrier Armoured O.P. No1 Mk3 W. T84991 Carrier Bren No2.Mk.I. NewZealand Railways. NZR.6. Dodge WC55. 37mm Gun Motor Carriage M6 Jeep Mb #135668 So many questions.... |
#5
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So with the electronic system it makes sense to use it , since the vehicles sit for extended times with out running except for events at the museum.
But wouldn't we need to install crankshaft sensors and since we have a franken truck so to speak. Wouldn't we need serial numbers off the engine to get the right parts? Last edited by MikeV; 10-10-19 at 20:48. Reason: forgot to add something. |
#6
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Here is another view with the distributor cap on the motor! before we removed the distributor
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#7
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Here is a picture I took as we started the work, you can see we have some of the hood off to get at the engine. We did the easy part first the carb and fuel pump. I kinda like the truck it has Character . Can't wait to get it running.
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#8
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The "Rabbit Ears" distributor has exactly the same internal parts as the wartime "Crab Cap" distributor. In fact, as a museum piece you might light to consider changing the bails and cap to revert the distributor to a wartime appearance. But for this discussion (for the '42 to '49 distributor), the only info you need to find the correct Pertronix ignition unit is the electrical set up of the truck; 6 or 12 Volt, positive or negative earth. Some examples HERE Perhaps one of the users on here of the Pertronix unit could provide a quick write-up or photos of the modification? |
#9
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Dennis Carpenter sells some reasonably priced electronic conversion kits for these distributors in either pos 6 volt or neg earth in 12. They note that you cannot use the solid core wire with them, so that will be something to consider.
https://www.dennis-carpenter.com/en/...ition-sys-6-vo https://www.dennis-carpenter.com/en/...ition-sys-12-v |
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