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All the diagrams I see for the 3.9 show the same. However, some show a 60 degree advance in orientation of the cap, i.e. the number 1 position is at number 2. Try moving the wires counter clockwise one position.
If you began with a non running engine, I suggest you manually bar over the crankshaft until cylinder 1 is at TDC of the compression stroke. Then remove the distributor cap. The rotor should be pointing directly at distributor tower number 1 position.
? 10:56
https://www.youtube.com/watch?v=y5NuS-G-cKI
Dec 5, 2013 - Uploaded by Ghetto Wagon
I thought the parts when the engine was running would come out better, but its just too loud. ... How to set ...
? 3:14
https://www.youtube.com/watch?v=mK5N5mCmyok
Jul 28, 2013 - Uploaded by sprek2
I had to time a distibutor on a 1995 GMC Sierra V8 5.7L and was having trouble finding the wire that you have ...
At this site you can find the firing orders for Chevrolet engines. ... 1987-1989 ... 283, 302, 307, 350, 396, 400 and 454 Engines Firing Order, 307 Engine Firing ...Missing: degrees
images for Firing order diagram and timing degrees
my guess, is you removed them and didnt mark them?
the firing order?
what engine, there are 5.
to do this , one need to know 5 things.
2.5L, 2.8L, 4.0L and 5.2/5.9L engine displacements.
the distributor rotation direction CCW, or CW
and last the firing order, sometimes marked clearly on the intake manifold.
you must now where #1 cylinder is (always most front)
1989-98 2.5L Engine firing order: 1-3-4-2 Distributor rotation: Clockwise
2.8L Engine firing order: 1-2-3-4-5-6 Distributor rotation: Clockwise
4.0L Engine firing order: 1-5-3-6-2-4 Distributor rotation: Clockwise
5.2L and 5.9L Engine firing order: 1-8-4-3-6-5-7-2 Distributor rotation: Clockwise
on a v6/v8 one cylinder is more forward. this is #1, look carefully.
Nice friend. If you can figure out which terminal on the distributor is for #1 (cylinder at front of engine), this diagram from AutoZone.com should work for you. Look for a #1 mark on the distributor.
To avoid confusion, tag and remove 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 to reflect how your engine is wired.
Fig. 1: The firing order can usually be found cast onto the intake manifold
All the diagrams I see for the 3.9 show the same. However, some show a 60 degree advance in orientation of the cap, i.e. the number 1 position is at number 2. Try moving the wires counter clockwise one position.
Engine Firing Order: 1-3-4-2-nl-> Distributor Rotation: Clockwise" rel="width:950,height:660" index="0" $included="null">
Fig. Fig. 1: 4-Cylinder Engines-Except FWD GLC-nl-> Engine Firing Order: 1-3-4-2-nl-> Distributor Rotation: Clockwise
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