Question about 1998 Chevrolet K1500

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How do i set timing on 1998 chevy truck 350 vortec

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Number 1 plug wire should be pointing towards the front drivers corner . drivers side piston order is 1-3-5-7 front to back .passengers side front to back is 2-4-6-8 then the firing order is 1-8-4-3-6-5-7-2 . if you pull the # 1 spark plug and put your finger in the hole /remover power wire while doing this at the dist.bump the engine when you feel a rush of air that's the compression stroke when the piston is at the top of it's compression stroke . pop the cap look to make sure the rotor is pointing at the # 1 piston roughly and place cap back on so the # 1 terminal is over the wire end of the rotor contact tip and work clockwise around with the firing order and hope this helps .if it still dont want to run then you may have jumped timing chain or stretched they will jump out of time and cause a headache.

Posted on Nov 20, 2009

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  • dwayne sagh
    dwayne sagh Nov 20, 2009

    if you get that all done right then the last step is to get a timing light and time the pulleys in front with the vacum off the vacum advance pot and plugged look up the specs for your engine and set it by turning the distributor .

  • deannanevins Sep 11, 2011

    WHAT WIRE DO I UNPLUG FROM THE DISTRIBUTOR TO SET THE TIMING?

  • Jody Daniels
    Jody Daniels Oct 12, 2012

    dwayne do your homework its a non adjustable distributor with no vacum

  • Donald Stanford
    Donald Stanford Jun 16, 2014

    what he may be saying is the rotor is not pointing at the #1 piston,it should be pointing at the socket on the top of distributor cap where the #1 spark plug wire plugs into,NOT THE FRONT OF THE MOTOR,also very important before adjusting timing,locate the timing bypass wire,tan with a black strip,this wire must be un pluged before you adjust timing,it will make your service engine soon light come on,but the computer MUST be in bypass mode ,if you adjust your timing with out un plugging this wire ,you will be retarding the timing so much that it can cook your engine,even when the timing marks are lined up it will be retarded if it\'s not in the bypass mode,read the sticker under your hood on the shroud to find out where to locate the bypass wire.

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Timing is not adjustable. There is a "Cam ******" that is, but a scanner is needed to adjust it. Its basically lining up the rotor to the dist cap.

Posted on Nov 06, 2009

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Must take to shop timing is set by computer DO NOT TURN DISTRIBUTER

Posted on Oct 15, 2010

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Posted on Jan 02, 2017

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SOURCE: I need the torque specs and sequence on a 1998 chevy 350 vortec

Vortecs are a little different that old school small blocks, grab a Haynes or Chiltons, the cross patterns and specs are simply diagramed. Vortec, as any really, start with 25# then 45# and then final torque which I believe is around 70-75# but to be sure verify with the manual. AutoZones, Murry's, Adavance auto all carry the books, Cheap insurance.
Dan

Posted on Apr 25, 2009

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SOURCE: coolant in the oil 1998 chevy truck vortec

Sounds like a blown head gasket, or worse but much less likely, a cracked cylinder head.

Posted on Nov 10, 2009

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SOURCE: i have a 1998 chevy c3500 with the 7.4 liter

you can't change the timing in this engine nor can you adjust the valves. The timing is adjusted throught the computer therefore there is no mechanical way to change this. You might be able to with some kind of programmer or computer program.

Posted on Jan 08, 2010

emissionwiz
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SOURCE: engine swap 5.0 vortec to 350 non computer controled

5.0 heads will not work, most likely not the intake either.

Posted on Nov 05, 2009

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1 Answer

How do i set the timing on my 98 chevy 350 vortec


You actually can't advance or retard timing on your truck without pulling the timing gears off and manually doing it. however, if you adjust too far you can cause severe damage internal damage to your engine. and the computer is going to try to automatically adjust for whatever adjustment you make. If your question is provoked by a poorly timed engine, ie its running poorly, then i would suggest replacing your timing chain and I always replace the tensioner while i am there as it isn't the easiest thing to do. if you need to know the proper timing let me know.

I’m happy to assist further over the phone at https://www.6ya.com/expert/brock_d67526d2a834c47e

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How about changing the wire from the coil to the distributor, and the rotor in the distributor and its cap!!

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the computer can not set the timing if the distributor is off or if the timing chain off

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I am swaping out 1990 4.3 chhevy sport and putting i a 1995 350 chevy


The 1995 350 is a "Vortec 5.7" motor if I remember correctly.You will have to get a throttle body and intake manifold for an older 5.7 liter(early 90's?).The Vortec engines are a sequential multiport injection setup(totally different).

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Vortec 350 knock on start-up.


Is it a ping or a knock? It could be the initial timing is not set correctly. Are you losing coolant? It could be a leaking head gasket and is leaking a small amount of anti-freeze into one of the cylinders. If it is a bearing it will get worse and worse, is the oil pressure good? I guess I'd take it back to the rebuilder.

Mar 27, 2010 | 1998 Chevrolet K1500

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Engine swap 5.0 vortec to 350 non computer controled


The computer runs the Transmission from the signals the throttle position sensor, crank shaft sensor, and cam shaft sensor. Your going to have to replace the transmission with an older transmission like the turbo 350 or turbo 400. When it's time to get the car e-tested, that's when your going to run in to problems, due to the year your Chevy is. If your Chevy was a 1985 then you could go with the carb system but with being the newer OBD11 system, your going to have an off road only vehicle with that swap. Why would you want to replace the engine with the 350 carb set up??? There are things you can do to tweak the one in your Chevy free of charge.

Nov 05, 2009 | 1998 Chevrolet K1500

2 Answers

I have a 1998 chevy c3500 with the 7.4 liter


you can't change the timing in this engine nor can you adjust the valves. The timing is adjusted throught the computer therefore there is no mechanical way to change this. You might be able to with some kind of programmer or computer program.

Oct 06, 2009 | 1998 Chevrolet C3500

1 Answer

Turns over but dont start let off key and sputters 3or4 times 1998 Vortec 350 Chevy Z71 4x4


The freeze plug you replaced was due to rust or was it pushed out by freezing temperature? These plugs are not designed to protect the engine block from cracking during freezing temperatures, they are there to remove the sand from the block after casting it. I would drain your system completely and flush out the radiator thouroughly and fill with plain water, then run the engine and see if oil gets in the water, if it does and the plug was out due to freeze, then your block is probably cracked, although you could just have a head gasket leak. Oil pressure (40psi) is higher then water pressure (17psi), so getting oil in the water is always more prominent than the other way around. Flush out the system and let me know if oil returns to the water, hope this helps

Jun 03, 2009 | 1999 Chevrolet Silverado 1500

2 Answers

I need the torque specs and sequence on a 1998 chevy 350 vortec


Vortecs are a little different that old school small blocks, grab a Haynes or Chiltons, the cross patterns and specs are simply diagramed. Vortec, as any really, start with 25# then 45# and then final torque which I believe is around 70-75# but to be sure verify with the manual. AutoZones, Murry's, Adavance auto all carry the books, Cheap insurance.
Dan

Nov 19, 2008 | 1998 Chevrolet C2500

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