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Spark plug leads question

pockersUK

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0
6
Location
surrey, england,UKL
Stupid question time

previous owner of my 61 m37 has installed civilian ht leads which have a tendency to pop off the distributor

My question is
how do I work out which lead from the distributor goes to which cylinder?

theres no numbers apparent on the distributor

thanks
 

NDT

Well-known member
Steel Soldiers Supporter
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Location
Camp Wood/LC, TX
Several ways:
1. Replace the wires one at a time.
2. Refer to the Technical Manual
3. Find TDC of #1 cylinder in compression stroke, see which tower the rotor is pointing to, then place the remaining wires per the firing order. I think the distributor turns CCW.
 

dmetalmiki

Well-known member
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2,028
113
Location
London England
Your 'looking' out for actually. Anyway a logical way to work out the firing order is to remember that Number one cylinder is usually at the front of the engine.
And that the rotation of the Distributor is usually Anti clockwise.
The firing order of a six cylinder engine is usually 1-5-3-6-4-2.
Thus, when you start out to change the leads trace Number one from the ist plug to the distributor cap and tape it as Number one.
Next lead going from the second plug going to the distributor head anti clockwise tape as Number two.
And so on.
Further reading for you.
https://www.militarytrader.com/military-vehicles/historic-military-vehicle-ignition-systems-part-ii' ></span><span class='st_email' st_title='Historic Military Vehicle Ignition Systems Part II' st_url='https://www.militarytrader.com/military-vehicles/historic-military-vehicle-ignition-systems-part-ii' ></span><span class='st_stumbleupon' st_title='Historic Military Vehicle Ignition Systems Part II' st_url='https://www.militarytrader.com/military-vehicles/historic-military-vehicle-ignition-systems-part-ii' ></span><span class='st_plusone' st_title='Historic Military Vehicle Ignition Systems Part II' st_url='https://www.militarytrader.com/military-vehicles/historic-military-vehicle-ignition-systems-part-ii' ></span><span class='st_sharethis' st_title='Historic Military Vehicle Ignition Systems Part II' st_url='https://www.militarytrader.com/military-vehicles/historic-military-vehicle-ignition-systems-part-ii' ></span><span class='st_facebook' st_title='Historic Military Vehicle Ignition Systems Part II' st_url='https://www.militarytrader.com/military-vehicles/historic-military-vehicle-ignition-systems-part-ii' ></span><span class='st_fblike' st_title='Historic Military Vehicle Ignition Systems Part II' st_url='https://www.militarytrader.com/military-vehicles/historic-military-vehicle-ignition-systems-part-ii' ></span>
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