<VV> Ignition Firing Order Comparison - ah hah! Now it makes sense. - EM had same firing order ?

[jvhroberts at aol.com]

Late firing orders are better than early firing orders.

-----Original Message-----
From: Charles Lee <chaz at ProperProPer.com>
To: 'Craig Nicol' <nicolcs at aol.com>; virtualvairs at corvair.org; 'J R 
Read_HML' <hmlinc at sbcglobal.net>
Sent: Mon, 22 Sep 2008 12:59 pm
Subject: Re: <VV> Ignition Firing Order Comparison - ah hah! Now it 
makes sense. - EM had same firing order ?

Craig said : "there are two ways to interpret the paths of 1 and 3"
See : http://www.yourbuyersinn.com/CorvairManualErrors.jpg

However, NEITHER interpretation results in the proper firing order ?

I believe my 'colorized interpretation is correct - I did not change
anything, except to add color.

Good point, also, Eagle-eye !  That is an early shroud !
However, I believe the early firing order was also 1-4-5-2-3-6 ?

Charlie




-----Original Message-----
From: Craig Nicol [mailto:nicolcs at aol.com]
Sent: Monday, September 22, 2008 8:46 AM
To: virtualvairs at corvair.org; 'J R Read_HML'; chaz at ProperProPer.com
Subject: RE: Ignition Firing Order Comparison - ah hah! Now it makes
sense.


Charles wrote:
Here's a Comparison of the Corvair's correct Firing Order and the
erroneous one : www.yourbuyersinn.com/FiringOrderComparison.JPG

Here is a new, shorter link to the original GM diagram (that is wrong) :
www.yourbuyersinn.com/CorvairManualErrors.jpg

Does our historian have any ideas ?
Thanks
Charlie
PS:
The 'offending' plug wire and Firing Order diagram was scanned from an
original 1965 GM manual. (It just has a 1964 copyright date.)

Craig replies (again):
I noticed that the shrouds shown in your picture were early, so I
checked earlier manuals.  I found the same drawing in the '61 manual on
page 8-33. The picture is poorly drawn and there are two ways to
interpret the paths of 1 and 3.  The way you colorized it is one of the
alternatives and that leads to the wrong firing order.  If you colorize
with the 5-o'clock (right rear) wire going to #1, the drawing is right.
Heck, we are all right!
The picture in my '65 manual is identical to my '61 manual's picture -
your colorization just happened to interpret the 1-3 mixup the wrong
way. My statement that later '65 manuals had a corrected drawing was
incorrect. Craig


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