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Got my timing cover off and got problem

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Old May 18, 2011 | 08:50 PM
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Default Got my timing cover off and got problem

I took off my timing cover today and ran into issues. First my cam gear has holes the size quarters going around it and the new one from gm is solid and looks to have a counter weight. Second I noticed the camshaft retainer has a seal, should I replace it. Also I have an ls6 and it has no chain dampner like it was suppose to. Please help I plan on putting together tommorrow.
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Old May 18, 2011 | 08:59 PM
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someone is gonna say "GIVE US SOME PICS" so i guess i'll go ahead and do so. if you can't its no problem, just ask some other people. where are the holes at and are they in a pattern? if they are just random than you may have issues but if they look uniform theyre probably supposed to be there
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Old May 18, 2011 | 09:14 PM
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The holes in the cam gear are normal. I never replaced that seal in the retainer but maybe someone will tell you different.
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Old May 18, 2011 | 09:16 PM
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Default stock ls1 cam gear

Here is a pic
Attached Thumbnails Got my timing cover off and got problem-cam-gear.jpg  
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Old May 18, 2011 | 09:25 PM
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That's the gear I have. The one I bought is perfectly solid except it has a counter wait
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Old May 18, 2011 | 09:28 PM
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I have never bought a new one but if it is the same size I wouldn't worry about it. Why are you changing it anyway is the old one messed up?
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Old May 18, 2011 | 09:45 PM
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if your changing the timing set go with a gm ls2 set.
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Old May 18, 2011 | 09:56 PM
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I bought a c5r chain. And oe sprocket from my dealer I believe they might have gave me wrong one
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Old May 18, 2011 | 09:59 PM
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The bottom gear is same. I didn't know if I got wrong one or if they have been updates. The one I got looks like it might be for a car with cam sensor in cover
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Old May 18, 2011 | 10:43 PM
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why not just use the old sprocket then?
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Old May 18, 2011 | 10:45 PM
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oh, and you can reuse the plate.
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Old May 18, 2011 | 10:51 PM
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I believe you have the cam gear that is used with the cam sensor up front unless the original style has superseded to this part. Why not reuse the gear?? I did and Im running the Katech timing chain also.
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Old May 18, 2011 | 11:06 PM
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Wow we got some rookies in here

OP, your motor cam sprocket is an LS1 sprocket, original equipment. The one you bought is an LS2 cam sprocket. The raised area is not a counter-weight. It is for a cam position sensor. The LS2s and newer engines moved the cam position pick-up from behind the intake to the cam sprocket. This does not effect you. Its a direct replacement, dont worry about the difference in the sprocket.

As for the cam retainer plate o'ring, it cannot be replaced to my knowledge. The only way to replace it is with an entirely new plate. This is available on the used market and new from GM parts. No after-market options are available to my knowledge. This o'ring typically lasts the life of the engine.
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Old May 19, 2011 | 06:50 PM
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Hello , I also bought an LS2 timing set as the chain is a little bit thicker than the older LS1 chain . I'm going to use the cam gear because I will be running the LS2 cam with timing cover with cam sensor in the cover . The LS2 cam gear is heavier than the older LS1 cam gear . Would it be alright for poeple that don't need the front cam sensor to run the older LS1 cam gear as long as it is in good shape ?
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Old May 19, 2011 | 10:19 PM
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Called katech and said run the gear. The plate with seal I found today at Carquest made by victor reinz Its looked exact to stock and was able to reuse my oe bolts. Thanks everyone
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Old May 20, 2011 | 04:22 AM
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Did the new plate have countersunk holes? The new GM plate uses countersunk screws and you cannot re-use original bolts. Not sure in the "Victor Reinz" version but make sure you verify this or the plate will crack.
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Old May 22, 2011 | 11:30 PM
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Default building a block.

I need that gasket reading up its not available for purchase by itself do you think I can get away with using hi temp RTV and making a gasket?
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Old May 23, 2011 | 04:21 AM
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Originally Posted by TehGODofGreen
I need that gasket reading up its not available for purchase by itself do you think I can get away with using hi temp RTV and making a gasket?
No, don't use RTV. This gasket seals the oil gallery where the lifters are and is under pressure. You need to either re-use your part if the gasket is in good shape or buy a new plate that comes with the gasket.

PS: The replacement has countersunk holes and requires new bolts and a different torque value. Contact SDPC for more information. Here is a link to the GM plate information: Link
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Old May 23, 2011 | 10:52 PM
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Victor reinz makes the original plate. I got mine at carquest
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Old May 23, 2011 | 11:07 PM
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Thanks ill check them out this week or next.
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