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  #1  
Old 08-05-2009, 07:20 AM
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BamaDrew BamaDrew is offline
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Who all has a 360 tick?

Well, the GW is sporting new rear main seal, oil pan gasket, fixed a coolant leak, and a host of other little odds and ends including new exhaust manifolds which aided it in running much quieter. The 360 has about 114,000 or so on a rebuild but the rig sat for a few years before I got it. Noticing a little tick at idle that can also be heard ever so slightly at acceleration as well, could be a lifter, etc....not too highly concerned about it because this particular engine won't stay in the rig forever and she runs pretty good otherwise but I was curious as to who all has an engine tick and could it possibly be something simpler external to the engine I could look at fixing?

Hope everyone has a great day.
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Old 08-05-2009, 07:56 AM
woodybeone woodybeone is offline
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First guess would be an exhaust leak but I see new manifolds installed. Most of my "ticks" were related to leaking manifolds and smog tubes/fittings. Did have a lifter tick once but it went away after warm-up and never caused any problems.
Could also check the air pump and related fittings.
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Old 08-05-2009, 08:01 AM
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Could be the exhaust flapper "Flap on, flap off, flap stuck, dam% flapper."
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  #4  
Old 08-05-2009, 08:19 AM
dbuie dbuie is offline
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Mine ticks but I have an exhaust leak which will be fixed soon.
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  #5  
Old 08-05-2009, 08:32 AM
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shackwrrr shackwrrr is offline
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if it is a valve tick are you running a fram filter? me and a few others reduced our ticks when we changed to another brand of oil filter. Frams use cardboard on the ends of their filter and it doesent seal well so it lets alot of oil around the filter.

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  #6  
Old 08-05-2009, 11:57 AM
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BamaDrew BamaDrew is offline
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No, it's not Fram filter, but thats a good tip...I will add that to my "knowledgebase".

I am not familiar with the exhaust flapper...is that located anywhere on or close to the engine? This tick was present prior to new exhaust manifolds. The muffler and tailpipe is going to have to be replaced for sure but this tick is on or near the engine.

I did read the tech piece about EGR-related issues and knocking...I know I'll have to do that for sure.

I am not convinced that it is internal engine yet....guess a little more investigating will be required!
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Old 08-05-2009, 01:42 PM
woodybeone woodybeone is offline
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Quote:
Originally Posted by BamaDrew
No, it's not Fram filter, but thats a good tip...I will add that to my "knowledgebase".

I am not familiar with the exhaust flapper...is that located anywhere on or close to the engine? This tick was present prior to new exhaust manifolds. The muffler and tailpipe is going to have to be replaced for sure but this tick is on or near the engine.

I did read the tech piece about EGR-related issues and knocking...I know I'll have to do that for sure.

I am not convinced that it is internal engine yet....guess a little more investigating will be required!

The exhaust heater valve is on the pass side between the manifold and tube. Supposed to stay closed to force heat back up untill it warms up then opens to flow exhaust.
If the "tick" is near the top I'd bet it's a rotting tube connecting to the air pump. It took me awhile to track down this the first time years ago.
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Old 08-05-2009, 03:48 PM
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Occasionally tick if my Y-pipe is loose. Either side. Dang Y-pipe.
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Old 08-05-2009, 03:54 PM
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PlasticBoob PlasticBoob is offline
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You should have asked who all DOESN'T have a 360 tick, and see what their secret is, lol.
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  #10  
Old 08-05-2009, 05:49 PM
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89Woody 89Woody is offline
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Mine tickedwhen i got it. I changed the plugs and noticed that the pass. side rear plug wire was not snapped on all the way. after i changed plugs the tick was gone.
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  #11  
Old 08-05-2009, 11:34 PM
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crazydog crazydog is offline
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Had a lifter tick after it sat for a few months while I was swapping on the HEI, 2131, 1406, and whatever else I did at that time. Ran some Seafoam through it and never heard anything else. I do not know if it was the Seafoam, or if it just went away.
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  #12  
Old 08-06-2009, 08:58 AM
macka macka is offline
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Hydraulic lifters are notorious for the "tick". I ended up replacing the hydraulic "buckets" as the seals had dried out and wouldn't hold oil very well, after sitting for a year.
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