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What is the firing order for a 1987 GMC G2500 5.7L 350 V8 Engine?

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

Posted on Jan 11, 2013

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Posted on Jan 02, 2017

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Firing order diagram and timing degrees 1989 gmc 1500 series 350 engine


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Jan 06, 2016 | GMC Cars & Trucks

1 Answer

I need to know where the plug wires go.from spark plug to distibuter cap on a 1986 4.1 coupe deville(cad.)


FIRING ORDERS NOTE: To avoid confusion, remove and tag the spark plug wires one at a time, for replacement. If a distributor is not keyed for installation with only one orientation, it could have been removed previously and rewired. The resultant wiring would hold the correct firing order, but could change the relative placement of the plug towers in relation to the engine. For this reason it is imperative that you label all wires before disconnecting any of them. Also, before removal, compare the current wiring with the accompanying illustrations. If the current wiring does not match, make notes in your book to reflect how your engine is wired. Fig. 1: GM (Cadillac) 250 (4.1L) V8 GM (Cadillac) 273 (4.5L) V8 Engine firing order: 1-8-4-3-6-5-7-2 Distributor rotation: counterclockwise 85872009.gif Fig. 2: GM (Oldsmobile) 307 (5.0L) V8 GM (Oldsmobile) 350 (5.7L) V8 w/EFI Engine firing order: 1-8-4-3-6-5-7-2 Distributor rotation: counterclockwise 85872009.gif Fig. 3: GM (Buick) 252 (4.1L) V6 Engine firing order: 1-6-5-4-3-2 Distributor rotation: clockwise 85872010.gif Fig. 4: GM (Cadillac) 368, 425, 472, 500 V8 Engine firing order: 1-5-6-3-4-2-7-8 Distributor rotation: clockwise 85872011.gif Fig. 5: GM (Cadillac) 429 V8 Engine firing order: 1-8-7-2-6-5-4-3 Distributor rotation: clockwise 85872012.gif prev.gif next.gif

Feb 08, 2011 | Cadillac DeVille Cars & Trucks

1 Answer

I need a spark plug wire diagram for a 1985 gmc jimmy 350 engine


Most all Chev or GMC v8 engines use the firing order of 1-8-4-3-6-5-7-2. You have to find where #1 is on the distributor cap which is usually closest to #1 cylinder then looking toward the back of the engine go clock-wise to install the rest. Don't get too close to the headers. Plastic melts!

Dec 02, 2010 | 1985 GMC Jimmy

2 Answers

I need the firing order for the wires to the distributor cap.


there are several engines--please pick yours.

V8-318 and 360 EnginesEngine Firing Order: 1-8-4-3-6-5-7-2Distributor Rotation: Clockwise:
jturcotte_117.gif




V8-400 and 440 EnginesEngine Firing Order: 1-8-4-3-6-5-7-2Distributor Rotation: Counterclockwise:
jturcotte_118.gif


V8-383 and 44 EnginesEngine Firing Order: 1-8-4-3-6-5-7-2Distributor Rotation: Counterclockwise:
jturcotte_119.gif

Nov 08, 2010 | 1987 Dodge Ramcharger

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

Please show me the position of the #1 spark plug wire on the 95 350's distributor


If you are talking about a 350 Chevrolet (GM) engine, the #1 plug is at the drivers side front. To find the position on the cap, turn the engine 'till the timing mark on the lower pulley points to 0 on the scale, then check rotor position in the distributor. If it's pointing towards the firewall, make one more turn. The firing order goes in the direction the rotor turns when cranking the engine over. 18436572.

Jun 28, 2010 | Cars & Trucks

2 Answers

What order do the wires go on the distributor cap


You didn't post your engine size so please use the appropriate diagram:


71f6763.gif

GM (Cadillac) 250 (4.1L) V8 .GM (Cadillac) 273 (4.5L) V8 .GM (Oldsmobile) 307 (5.0L) V8 .GM (Oldsmobile) 350 (5.7L) V8 w/EFI.Engine firing order: 1-8-4-3-6-5-7-2 .Distributor rotation: counterclockwise



cc0b68a.gif

GM (Buick) 252 (4.1L) V6 .Engine firing order: 1-6-5-4-3-2.Distributor rotation: clockwise



23d7821.gif

GM (Cadillac) 368, 425, 472, 500 V8.Engine firing order: 1-5-6-3-4-2-7-8.Distributor rotation: clockwise



c614b2b.gif

GM (Cadillac) 429 V8.Engine firing order: 1-8-7-2-6-5-4-3.Distributor rotation: clockwise

May 12, 2010 | 1976 Cadillac Deville

1 Answer

Need fire order,spark plug wires replaced in incorrect place


For several engines....

1aa520f.jpg

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


d2d7f9f.jpg

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

2 Answers

Firing order


Auto Zone has the manual for this on line. Note that if you have a V8, the distributor shaft may rotate either clockwise or counter clockwise, depending on whether Chevy or Olds made the engine. So, with the cap off, turn your engine over to see which way the shaft rotates.

Feb 11, 2009 | 1987 Chevrolet Caprice

2 Answers

Need firing order on a 1996 dodge ram v8


The order should be stamped on your intake manifold right under the air cleaner.
My '97 1500, 5.2, 318 firing order is 1-8-4-3-6-5-7-2

Hope this helps

Sep 17, 2008 | 1996 Dodge Ram 1500 Club Cab

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