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Old 10-11-2012, 01:19 AM   #86
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Quote:
Originally Posted by JohnnyBfromPeoria View Post
The timing chain failed.

John B.
I missed OP's post on the timing chain, so thank you.
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Old 10-11-2012, 07:33 AM   #87
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Originally Posted by lgKido View Post
I missed OP's post on the timing chain, so thank you.


Ya, I didn't specify the cause until last night. When the engine quit I still had plenty of inertia to roll probably a mile and make a few turns off the main road.


I think the pistons and push rods are fine.
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Old 10-11-2012, 08:23 AM   #88
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That sucks. Sounds like considerable damage.

Sorry to hear that Max. She'll be back better than ever though. Use this an an opportunity to upgrade something else
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Old 10-11-2012, 08:40 AM   #89
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Thanks Snizzle. I'm just putting her back to before. I really enjoyed the car the way it was. I only joyride around town with it rarely taking it on the hgihway so I have no need for more HP
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Old 10-11-2012, 09:06 AM   #90
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so I have no need for more HP
How many of us have said that before?
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Old 10-11-2012, 09:52 AM   #91
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Quote:
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How many of us have said that before?
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Old 10-11-2012, 10:46 AM   #92
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So out of curiosity, just what would cause this timing chain to fail under the subject conditions. Is it pulling harder turning the aftermarket cam and or springs ect??

Or, would it have failed as stock
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Old 10-11-2012, 11:20 AM   #93
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I'll echo what the others have said Max...and say that I'm sorry to hear that this happened. I had hoped that it would be an easy/simple fix. Unfortunately anyone that's been in the horsepower game for any length of time can tell these same types of stories over and over. Breakage and failure is generally considered 'the cost of doing business' for most of us. I broke a header bolt off in my 2000 SS with 1700 miles on it (had to pull head an have it tapped and heli-coiled), I stripped the HEAD-BOLT threads out out of the block with 7k miles on the car (doing my 3rd head swap on it), I've broken valve springs and bent valves, sheered off all 5 wheel studs, dropping me onto 3 wheels...I've I've grenaded driveshafts, rear ends...etc. You get picture. But those lessons haven't been for nothing. They taught me to work on my own cars and when given the opportunity, build it better/stronger than before.

Good luck with your repairs...don't let it get you down. A LOT OF US have been where you are. Just don't skimp on the rebuild...pay now or pay more later.
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Old 10-11-2012, 11:22 AM   #94
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I took it out today for a quick highway ride. When I got off the highway near my house and stopped at a light I noticed the engine was ticking when at idle and the exhaust sounded different. I proceeded home driving gentle when the engine shut itself down and would not start. Coasted to a parking lot and called AAA. Now she sits in my driveway.

I apologize for your frustrations! Have you had a chance to get a proper diagnosis at a dealership? Please let us know!

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Old 10-11-2012, 11:35 AM   #95
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Hi Brandon
No I haven't. I called Chevy CS yesterday case 71-1115680730 and was told that a rep would need to diagnose that the timing chain failed with out help from the mods before I would be covered. The codes indicated that it was a cam sensor so I flat bedded it a few hundred miles to the shop that did the mods where they informed me that the chain failed bending 9 valves, broke the timing gears, the oil pump was damaged, sheared the bolts of the upper tming gear allowing the cam to shift destroying the lifters. Not bad for a car with 4,200 miles on it mostly driven the speed limit up and down Main Steet. I did a lot of research after the fact and there have been issues with earlier model timing chains and the LS3 chain tensioner failing.
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Old 10-12-2012, 05:35 PM   #96
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Update Max? Got her back yet?
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Old 10-12-2012, 06:21 PM   #97
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She was tested today I will get it next week. Hopefully I will never be struck by lightning again!
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Old 10-12-2012, 07:21 PM   #98
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So your going back to stock bud?? or putting another cam in
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Old 10-13-2012, 08:50 AM   #99
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I cammed it again. I loved it! Hope I made the right decision. It will be hard to look at her with that same level of love and trust though. I will feel like I am looking at a pregnant bastard step daughter

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Old 10-13-2012, 08:53 AM   #100
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I did go back to the stock pulley in place of the SLP under pulley because harmonics plays a big role in breaking chains ( from another thread)
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Old 10-13-2012, 12:40 PM   #101
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Sh!t happens dude. Last month the aftermarket heads on my truck warped causing a head gasket to blow. After pulling the heads I found the valve seals pulled out of the heads and rode up the valve stems. Upon further inspection I found the inner valve springs to be broken damaging the spring pads. I guess my cam is too big...:screwy:
So instead of machining the heads and replacing/upgrading the whole valve train, I chose to just buy a whole new set of heads and now the engine runs better than before.

Let me know how it turns out for ya

Oh and good call on dropping the under drive pulleys. I don't see a point using them on a street driven vehicle.

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Old 10-13-2012, 05:46 PM   #102
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Thanks. I will. Sorry to hear about your truck. Should have it end of next week because of work. The pulley only adds 5-7 hp. But I got caught up on the cam kit and it was needed to make the listed HP.
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