[Healeys] Strange Timing Setting

[Patrick & Caroline Quinn]

Greetings

 

Perhaps someone has come across this before.

 

About to start the engine in the BN3 after a complete rebuild. The engine is
a very early C-series six-cylinder and the rebuild included new bearings
throughout, pistons, sleeves, valves, vernier adjustable timing chain etc.

 

When setting the timing all the settings were done by the book. Tappets at
12 thou, the pointer on the timing chain cover is pointing to the notch in
the harmonic balancer, the gear shaft drive from the oil pump/camshaft is at
20 to 2 and the offset distributor drive is correct. Number 1 piston is top
dead centre and the rocker gear is rocking.

 

Imaging please looking down at the open distributor and it's a clock face.
According to the book, the rotor button arm should be at 2 o'clock or firing
No 1 spark plug.

 

However the rotor button is a 10 o'clock.

 

So it's not 180 degrees out, but 120 degrees.

 

Of course you could get around it by changing the spark plug leads, but the
result looks untidy. An alternative is to rotate the geared shaft drive
clockwise by 120 degrees.

 

Any suggestions?

 

Thanks

 

Patrick Quinn

Blue Mountains, Australia

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