1998 Chevy Truck how to set the timing

1998 CHEVROLET TRUCK
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GIRLFRIDAY237
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Engine Mechanical problem
1998 Chevy Truck V8 Two Wheel Drive 126,00 miles
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I would love to know how to set the timing vortec 454 motor , I checked and it is off which is why I think it won't start . I was orginally driving down the street and started no hear a banging noise .... pulled over and seen the idler arm was braking so I had it towed home then replaced the part since then it hasn't started . I checked the spark and it is getting it . I am thinking the timeing was off that and that is what caused the idler to brake ? Please any ifo you can give me It has been parked for 2 months I am banging my head against the wall I just cant afford to take it to chevy dealership
Thanks ,
Pam
Apr 30, 2008 at 4:15 PM
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RASMATAZ
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Confirm if its getting fuel and spark before we go into ignition timing or do below

Get a carb cleaner and spray into the carb or the throttle body on an EFI. Did it start and die? If not disconnect a sparkplug wire or 2 and ground it to the engine -have helper crank engine over-do you have a snapping blue spark? If so-you have a fuel problem, check the fuel pressure to rule out the fuel pump/pressure regulator and listen to the injector/s are they pulsing or hook up a noid light.

Fuel pump and Injector/s checks out-start checking the ignition system-power to coil, coil/s itself,distributor pick-up,control module, Cam and Crankshaft sensors.

If both fuel and spark is present-check the valve and ignition timing, this will lead you to problems with compression and valves opening and closing at the wrong time
Apr 30, 2008 at 4:21 PM
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RASMATAZ
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https://images.2carpros.com/forum/automotive_pictures/12900_timing_9.jpg

Apr 30, 2008 at 4:52 PM