Firing order

[gary j zingle]

Getting a little behing during preparations for
holidays.

Not panicing yet.

I remember that the manual was incorrect
when it came to firing order.

Also remember that Olds was different the
Chev as to which cylinder was #1 etc.

Anyone have the correct firing order and
cylinder layout handy that they could share
with me?

Thanks

Regards

Gary Zingle

 

[blank]

Garry,

1-8-4-3-6-5-7-2

Front of coach
---------
| 1 2 |
| 3 4 |
| 5 6 |
| 7 8 |
---------

Since this is from my notes, I probably wrote it there because there is a
mistake in the FSM.

HTH,
Patrick

>
> I remember that the manual was incorrect
> when it came to firing order.
>
> Also remember that Olds was different the
> Chev as to which cylinder was #1 etc.
>
> Anyone have the correct firing order and
> cylinder layout handy that they could share
> with me?

 

[lastarfytr]

> Front of coach
> ---------
> | 1 2 |
> | 3 4 |
> | 5 6 |
> | 7 8 |
> ---------
>
> Since this is from my notes, I probably wrote it there because there is a
> mistake in the FSM.
>
> HTH,
> Patrick

My notes show the error to be in the distributor cap plug wire numbering,
since my 455 firing order picture is correct, as stated by Patrick.
(p.6Y-50, 75-76 M.M.)
Manual diagram shows plug wires 3 and 6 reversed.
Should be wired (in clockwise sequence) 1-2-7-5-6-3-4-8.

HTH
Fritz Washburn
77 Kingsley
Twin Cities

 

[blank]

Fritz,

Distributor rotation in the manual is backwards. Correct rotation is
counterclockwise.

Patrick

>

>
> > Front of coach
> > ---------
> > | 1 2 |
> > | 3 4 |
> > | 5 6 |
> > | 7 8 |
> > ---------
> >
> > Since this is from my notes, I probably wrote it there
> because there is a
> > mistake in the FSM.
> >
> > HTH,
> > Patrick
>
> My notes show the error to be in the distributor cap plug
> wire numbering,
> since my 455 firing order picture is correct, as stated by Patrick.
> (p.6Y-50, 75-76 M.M.)
> Manual diagram shows plug wires 3 and 6 reversed.
> Should be wired (in clockwise sequence) 1-2-7-5-6-3-4-8.
>
> HTH
> Fritz Washburn
> 77 Kingsley
> Twin Cities
>

 

[lastarfytr]

Oops.
I said clockwise intending to show "correct" numbering order on subject
diagram (exchange the plug wires 3 and 6 numbers).
Distributor rotation IS counterclockwise as the manual states.
Nothing like killing one bird with two stones.

Fritz

> Fritz,
>
> Distributor rotation in the manual is backwards. Correct rotation is
> counterclockwise.
>
> Patrick
>

>>

>>
>>> Front of coach
>>> ---------
>>> | 1 2 |
>>> | 3 4 |
>>> | 5 6 |
>>> | 7 8 |
>>> ---------
>>>
>>> Since this is from my notes, I probably wrote it there
>> because there is a
>>> mistake in the FSM.
>>>
>>> HTH,
>>> Patrick
>>
>> My notes show the error to be in the distributor cap plug
>> wire numbering,
>> since my 455 firing order picture is correct, as stated by Patrick.
>> (p.6Y-50, 75-76 M.M.)
>> Manual diagram shows plug wires 3 and 6 reversed.
>> Should be wired (in clockwise sequence) 1-2-7-5-6-3-4-8.
>>
>> HTH
>> Fritz Washburn
>> 77 Kingsley
>> Twin Cities
>>

 

[steve d ferguson]

>
> I remember that the manual was incorrect
> when it came to firing order.
>
> Also remember that Olds was different the
> Chev as to which cylinder was #1 etc.
>
> Anyone have the correct firing order and
> cylinder layout handy that they could share
> with me?

Gary,
If you are referring to the distributer, yes it is different than a
Chevy. #1 is the 5:00 position.
HTH,
Steve
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[gary j zingle]

Thanks to all that wrote

All the reference I found in my manuals as to firing order
are correct.

The reference on 6Y 50 does not show distributor rotation
but the numbering is correct.

Thanks. I feel better about connecting the wires now.

My manuals are only a year old. Maybe the error
was corrected in these later printings?

Thanks.

Regards

Gary Zingle
1973 GMC 26 foot