Question about 1972 Oldsmobile 98

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Engine won,t keep a idle

What is the firing order for a 455 olds and where is the number one plug wire on the distributor cap located can you send me a diagram

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Spud Howell

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Firing order is usually shown on the intake

Posted on Jun 12, 2009

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2 Answers

Change my spark plugs and distrubutor cap and the 85 ranger want start


You may have got the spark plug wires out of sequence.
Reseat the coil wire going to the center of the distributor cap Check the spark plug wires at the distributor against the firing order as follows:
The spark plug firing order is 1 - 4 - 2 - 5 - 3 - 6 The distributor rotor turns CLOCKWISE The engine cylinders / spark plugs are numbered :
firewall 3 - 6 2 - 5 1 - 4 front
Best wishes,
TF

Jun 03, 2011 | 1985 Ford Ranger

1 Answer

I need plug wire diagram for a 1975 olds cutlass 455 eng.


I'm afraid I can't send you a diagram but I see nobody else has sent you one either. So here goes. Your odd numbered cylinders, 1-3-5-7 are on the driver's side front to back. Your even numbered cylinders, 2-4-6-8 are on the pasenger side front to back.
Your distributor cap should have 4 hold down screws placed at 2 o'clock, 5 o'clock, 8 o'clock and 11 o'clock. Your number 1 cylinder is the first plug tower toward the firewall (or behind) the 2 o'clock hold down screw.The distributor runs counter clockwise or backwards and the firing order is 1-8-4-3-6-5-7-2.
Your timing depends on which model you have. All models except Tornado are timed at 16 degrees before TDC. The Tornado is timed at 12 degrees. The timing also is set with the engine running at 1100 RPM not the traditional idle speed. Hope this helps.

May 20, 2011 | Oldsmobile Cutlass Supreme Cars & Trucks

3 Answers

I changed the spark plugs and wires on my chevy s10 2wd pick up, which is a 4 cylinder and now it will not turn over. I might have the wires mixed up on the distributer cap. Can someone show me a picture...


GET A PIECE PAPER DRAW A LARGE CIRCLE TOP UPPER HALF CIRCLE LEFT TO RIGHT WRITE NUMBERS 1 AND 3 BOTTOM HALF CIRCLE LEFT TO RIGHT RIGHT NUMBERS 2 AND 4 THAT YOUR DISTRIBUTOR SPARK PLUGS WIRES LOCATION.STANDING ON SIDE OF ENGINE WHERE DISTRIBUTOR IS LOOKING DOWN AT DISTRIBUTOR 1 AND 3 FIRST TWO SPARK PLUGS TERMINALS NEXT TO ENGINE. AND 2 AND 4 SPARK PLUGS TERMINAL ON CAP FACING YOU. THIS IS CYLINDERS LOCATIONS STANDING IN FRONT OF ENGINE.RUN WIRES FROM DISTRIBUTOR CAP TO PLUGS TO THE ENGINE SPARK PLUGS.

Oct 17, 2010 | Chevrolet S 10 Cars & Trucks

3 Answers

I NEED THE DISTRIBUTOR CAP FIRING ORDER FOR A 1985 OLDS. CUTLAS V6.


1985 Oldsmobile Cutlass Salon 3.8 liter V-6

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Hope this helps.

Aug 17, 2010 | 1985 Oldsmobile Cutlass Salon

2 Answers

I took of*** my spark plug wires working on my small block 350 pickup and I don't remember the the firing order to put the new wires back on. Is there a diagram anywhere or is it even that difficult to...


Next time number each lead before you remove it and no. the dissy cap as well

The firing order, which should be cast into the intake manifold, for the chevy small block V8 is 1-8-4-3-6-5-7-2. The firing order is the numerical sequence in which the spark plugs are fired. The insertion position of each spark plug wire around the circumference of the distributor cap can be found according to a clock face. The insertion sequence determines the firing order. The firing order is followed clockwise around the distributor cap starting from the 6:30 position with the 6:30 position being the number one cylinder spark plug wire.
On classic chevy small block engines that use ignition breaker points instead of electronic ignitions, the number one cylinder is the one immediately clockwise of the small metal sash cover on the distributor cap. The firing order starts here. There is no sash cover on the distributor cap for GM HEI electronic ignitions, and the firing order is the same, but starting at the 5:30 position.
The firing order makes sense if you know how the cylinders are numbered. The number one cylinder is the front most on the drivers side and 2 being the front most on the passenger side. From front to back, the cylinders are odd numbered on the drivers side, and even numbered on the passenger side.
See the diagram; Click to open a printable larger image in a new window. The firing order starts with the number one cylinder. We would connect the number one spark plug wire to the distributor cap terminal in the 6:30 position. distributor.pngSince the next cylinder in the firing order is 8 (passenger side rear), we connect the number 8 spark plug wire to the next distributor cap terminal (approximately 7:30 position) in the clockwise direction from number one. You need to be sure you continue the firing order in the clockwise direction around the chevy small block distributor cap from the last installed spark plug wire. Setting the rest of the firing order is just a matter of repetition. Be sure to count the spark plugs from front to back on each side of the motor to identify the correct cylinder number in the firing order.

Jun 21, 2010 | Cars & Trucks

1 Answer

Need fire order,spark plug wires replaced in incorrect place


For several engines....

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Fig. 1: Buick-built 231, 252 V6 Engine firing order: 1-6-5-4-3-2 Distributor rotation: Clockwise


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Fig. 2: Olds-built 260, 307, 350, 400, 403, 455 Pontiac-built 265, 301, 350, 400, 455 V8 Engine Firing Order: 1-8-4-3-6-5-7-2 Distributor rotation: Counter-clockwise


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Fig. 3: Buick-built 350 V8 Firing order: 1-8-4-3-6-5-7-2 Distributor rotation: Clockwise


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Fig. 4: Chevrolet-built 267, 305, 350 Firing Order: 1-8-4-3-6-5-7-2 Distributor rotation: clockwise


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Fig. 5: Chevrolet-built 262 Firing order: 1-6-5-4-3-2 Distributor rotation: clockwise


Hope helped with this (remember rated this help) Good luck.

Nov 05, 2009 | 1985 Oldsmobile Delta 88

1 Answer

Firing order for a 1986 gmc s15


FIRING ORDERS

To avoid confusion, ALWAYS replace spark plug wires one at a time.

The most important thing to remember about the removal and installation of a distributor, cap or spark plug cable is that all wires MUST be labelled before they are disconnected. Keep in mind that these figures depict a firing order where the distributor cap terminals are relative to EACH OTHER only and they do not necessarily depict the tower positions in relation to the rest of the engine. This is true because any distributor which has been removed and reinstalled may have been installed with the No. 1 spark plug tower at any position (360 degrees) in relation to the rest of the motor, as long as the rotor aligned to the No. 1 tower when the No. 1 cylinder was at TDC of the compression stroke (valves closed, ready for the plug to fire). As long as the remaining wires were connected in the correct firing order sequence (depending on direction of distributor rotation) the engine will run. DO NOT EVER remove more than one wire from the distributor cap at a time unless you tag ALL wires and towers to assure proper installation.

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Fig. 1: 1.9L engine . Firing order: 1-3-4-2 . Distributor rotation: counterclockwise

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Fig. 2: 2.0L engine . Firing order: 1-3-4-2 . Distributor rotation: clockwise

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Fig. 3: 2.5L engine . Firing order: 1-3-4-2 . Distributor rotation: clockwise

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Fig. 4: 2.8L engine . Firing order: 1-2-3-4-5-6 . Distributor rotation: clockwise

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Fig. 5: 4.3L engine. Firing order: 1-6-5-4-3-2 . Distributor rotation: clockwise

I hope help you with this (remember rated this help) Good luck.

Oct 05, 2009 | 1986 GMC C1500

1 Answer

HEI DISTRIBUTOR PROBLEMS


on the intake manifold you will see 8 numbers, this is your firing order
from the front of the car the left side numbers are 1,3,5,7 and the right side are 2,4,6,8. now ont the distributor cap there should be a number 1 at one of the plug towers. you start there with #1 plug wireand continue.
on a chevy the firing order is 18436572 and this is the order you put the wires on the cap. now the second problem i don't know right off hand which way the rotor turns on your engine. so remove the cap and crank the engine over and see which way the rotor turns, this is the order you put the wires back on the cap. hope this helps

Aug 24, 2009 | Cadillac DeVille Cars & Trucks

1 Answer

Firing sequence/numbering on distributor cap of Landrover Discovery 1, 3.9lit V8, 1998 model


Firing order is 1-8-4-3-6-5-7-2 Cylinder numbers looking at engine from front Left Bank 1-3-5-7 Right bank 2-4-6-8 Distributor has clockwide rotation,

Apr 26, 2009 | 1998 Land Rover Discovery

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