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Old 08-07-2020, 09:05 AM   #1
Jsmac86
 
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Smile Hello Everybody

I have a 1986 Nissan SE 3.0L 4x4 Hardbody Pickup that runs great but is supposedly 180 out in timing. Is it possible that this awesome piece of human ingenuity could run better than it does already? That almost seems impossible, although she is kind of a dog going uphill... shhhh, donít let her hear that!
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Old 08-07-2020, 02:28 PM   #2
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Welcome,
someone will chime in on the 180 out. i know it can be easy but it depends. goodluck.
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Old 08-07-2020, 06:50 PM   #3
alabama_lowlife
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If the timing is off it will lack power and have worse fuel economy.
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Old 08-07-2020, 09:35 PM   #4
cadillacdude1975
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The distributor was probably put in wrong and the wire locations were changed to correct the problem.
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Old 08-08-2020, 06:24 AM   #5
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Welcome.
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Old 08-09-2020, 07:55 AM   #6
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Quote:
Originally Posted by Jsmac86 View Post
I have a 1986 Nissan SE 3.0L 4x4 Hardbody Pickup that runs great but is supposedly 180 out in timing. Is it possible that this awesome piece of human ingenuity could run better than it does already? That almost seems impossible, although she is kind of a dog going uphill... shhhh, don’t let her hear that!
I wouldn't say 180 out, but has someone worked on the oil pump or the distributor lately? If the oil pump shaft is installed just ONE tooth off, the engine will be 20 degrees out. There are 18 teeth on it. (If your timing was REALLY 180 off, that engine would backfire, jump around, etc like crazy, even if you could get it to start.)

Pull the number one (front) spark plug (if its a four banger) and use a big wrench to pull the engine around until you are on top dead center on the compression stroke. You can tell if its the compression stroke by sticking your finger into the spark plug hole until it gets pushed out by compressed air.

Then take a skinny screwdriver and stick it in the spark plug hole. You should be able to touch the top of the piston. Move the wrench slightly back and forth until you feel (on the screwdriver) that the piston has reached the absolute top of its stroke.

Pull the distributor cap and see where the rotor is pointing.

Pull the entire distributor out of the way and see where the oil pump gear indicator is pointing. Everything should be like the pictures below. If the pointer on the oil pump doesn't look exactly like the picture, the oil spindle is off and the oil pump will have to be pulled out and re-installed with a new gasket.

Oh...make sure the vehicle is in neutral when doing all this, and don't the wheels roll anywhere. Block them off first.



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