need to now spark plug placement
Cargo Master
Joined: May 2003
Posts: 2,561
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From: Earth
Originally Posted by 77f-150bigblock400
i got a 77 f-150 i need to know ontop of distributor witch one is one on the disrtibutor and then on
If I can decode what you are asking.....Number one on the distributor cap should be marked with a number 1. The number one cylinder is the front cylinder on the left side of the engine. As you are facing the engine, it is on the passenger side, closest to the radiator. I'm assuming that this is for a 400 as well?
New User
Joined: Jan 2008
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You are actually asking about firing order on a 400 and wondering where is the number one position on the distributor to get started....correct ?
In most cases number one position is positioned in the 1 o'clock position of a clock if you are looking at the cap from in front of the truck.
IIRC,
The rotor inside the cap turns counter-clockwise.
EDIT:
The Figure 1 isn't always cast into the cap.
In most cases number one position is positioned in the 1 o'clock position of a clock if you are looking at the cap from in front of the truck.
IIRC,
The rotor inside the cap turns counter-clockwise.
EDIT:
The Figure 1 isn't always cast into the cap.
Last edited by Mil1ion; Mar 10, 2006 at 08:43 PM.
Posting Guru
Joined: Nov 2005
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From: the side of a mountain
in the haynes book it has number one at about 1-2 o'clock and i checked my truck and that is where it is, but one thing i dont like about the haynes book is it only has 6 spots on the top of the cap in the picture.
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Posting Guru
Joined: Nov 2005
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From: the side of a mountain
nope, big bold print at the top of the page, Chapter 2 Part B V8 engines, has a drawing of a v8, numbers out the pistons and gives firing orders for the v8s under it.
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Cargo Master
Joined: Apr 2001
Posts: 2,364
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From: Eustis FL
You can make any terminal number one... The ideal location is one which puts the rotor pointing at number one at TDC of compression stroke, where you have as much range of motion as possible to adjust timing without the advance dashpot hitting something before the proper timing advance is achieved.
Mark
Mark