Grey Motor Ign Timing

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The timing mark is a ball bearing pressed into the flywheel and accessed via a flap near the Distributor. Click to Enlargen. Photo by Stock-EJ.

[edit] Grey Motor Ignition Timing:

See also Firing Order

The timing mark in the flywheel of a Grey 138 six. Click to Enlargen. Photo by Stock-EJ.

The timing mark is a ball bearing pressed into the flywheel and accessed via a flap near the Distributor. Click to Enlargen. Photo by Sherro.

[edit] Location of the Timing Mark:

 Submitted by T on Wed, 18/04/2007 - 07:53.

The timing mark is on the flywheel near the Distributor under a small cover. The mark is a ball bearing mounted in the flywheel that lines up with a mark in the tinplate. You will have to line up the rotor button to the number one plug lead in the distributor when the no 1 piston is at TDC on the firing stroke. You may need to remove the rocker cover and watch the no 1 cyl valves to identify the firing stroke TDC. Both valves will be closed. On the exhaust stroke TDC, both valves will be on the rock (exhaust closing inlet opening). T

[edit] Line the Ball up With the Mark:

 Submitted by T on Wed, 18/04/2007 - 09:36.

The correct timing occurs when the ball lines up with the mark. This gives 7 degrees of static advance.

[edit] The UC Mark:

 The UC mark (Upper Dead Centre) lines up with TDC. T

Sherro's Shed

[edit] Terms:

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