[Healeys] Strange Timing Setting

[Patrick & Caroline Quinn]

My apologies.

 

I forgot to say thanks to everyone who took the trouble to write with their advice.

 

Patrick Quinn

 

From: warthodson at aol.com [mailto:warthodson at aol.com] 
Sent: Monday, 12 February 2018 1:56 AM
To: ynotink at msn.com; p_cquinn at tpg.com.au; per at schoerner.se
Cc: healeys at autox.team.net
Subject: Re: [Healeys] Strange Timing Setting

 

I will assume everything is correctly installed & the #1 piston is at TDC on the compression stroke & not TDC on the exhaust stroke. Also, I assume your engine includes the angle drive pedestal for the mechanical Tach drive. Is it not possible to re-install the distributor drive gear such that the rotor is pointing at the desired location for #1 plug wire? I.E. "Re'clock" the distributor +/- 120 degrees CW? I understand that this will result in the distributor drive slot not being at "20 to 2", but do you care?  

 

Your description stated "Number 1 piston is top dead centre and the rocker gear is rocking." Is that not a description indicating that the #1 piston is on the exhaust stroke? 

Gary Hodson

 

 

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

 

 

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://autox.team.net/pipermail/healeys/attachments/20180218/34026000/attachment.html>