Spark Plug Conduits

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Posted by Tim Daley(MI) on August 28, 2017 at 22:19:50 [URL] [DELETE] :

I’m looking to identify the three different spark plug wire looms/conduits used on the N-Series Tractor models. The July, 1948 MPC lists all three:

9N-12112 – for battery ignition, ‘39-‘47

2N-12112 – for magneto conversion, ’39-‘48

8N-12112 –spark plug wiring, ‘48

The archived thread where I got this photo from stated the short loom pictured is for the 8N Front Mount Distributor (Note that the angle-mount distributor did not use a wiring conduit) and the longer one is the 9N/2N loom. Well, based on what I learned about the wartime 2N’s using a shorter loom, and it says so in the MPC, then I’d say the short one pictured is the 2N style used with a magneto, and not the 8N style. So that leaves the question what is the correct 8N loom? Since both the 9N and 8N engines were basically the same, why wouldn’t the looms be the same? What was different between the 9N and the 8N looms? Obviously the 2N engine was the same too but with a magneto instead of the front mount distributor, running wire lengths would be shorter to the side of block instead of front.

2 of 3 FORD N-SERIES WIRE LOOMS:


Tim Daley(MI)


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