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car troubles after cam swap

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Old Feb 4, 2006 | 09:46 PM
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Exclamation car troubles after cam swap

I did a cam, push rods swap and now i got smoke from my number eight cylinder from burning oil. It was the only plug i pulled out that was soked in oil. But I only did a cam swap with the heads on the car so the clyinder was never exsposed. Well the car starts and runs a lil rough like its missing had the ls1 edit put on it so i know the mis is not from that. it wasnt that big of a cam so i kept the stock spring in it so could that be a problem. I've run about 800 mi on it so any idea its the normal finger print smoke can be disragared. But like i said the only clinder geting oil is the number 8 so help or insight could be helpful.
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Old Feb 4, 2006 | 09:48 PM
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what are the cam specs??
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Old Feb 4, 2006 | 09:51 PM
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Z+220 SDPC LS1 Custom Camshaft - 220/224, 0.551/0.551, 114
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Old Feb 4, 2006 | 09:52 PM
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Might have a bad valve seal for that cylinder,
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Old Feb 4, 2006 | 09:54 PM
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but it was like it went bad over night what would have caused that
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Old Feb 4, 2006 | 09:55 PM
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stock springs are a no no with a cam like that,you might have broke one.dont run it at all until you check it out real good.
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Old Feb 4, 2006 | 10:07 PM
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Busted spring and then a damaged valve stem seal, good chance that is where your oil is coming from.
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Old Feb 4, 2006 | 10:28 PM
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you better pull valve cover before next start. dont want more damage if you allready did.


fuerzaws6
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Old Feb 5, 2006 | 12:20 PM
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Cam like that you needed to upgrade the valve springs,you have a seal that also needs replacing.
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Old Feb 6, 2006 | 05:38 PM
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are ls6 springs tough enough
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Old Feb 6, 2006 | 06:09 PM
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Originally Posted by Tmoney
are ls6 springs tough enough
just go with a 918 spring. And it sounds like you need a new seal.
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Old Nov 23, 2008 | 08:04 PM
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ls6 "yellow" springs would work. rated at .570 max lift.
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Old Nov 24, 2008 | 07:01 AM
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You need to change the srpings but I would check your spark plug wire. Is it oil or black soot? If black soot, it is not firing correctly and likely just the wire not connected properly. I recently did the same thing so start with the simple things.
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Old Nov 24, 2008 | 09:46 AM
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look into PAC beehive springs. they are a little cheaper then comps and just as good. and surely you aren't gonna say that no one told you that you needed to replace valve springs???
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