GM 3100 V6 camshaft question
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From: Independence, Mo

I have a neighbor here with the same motor and with a lot more miles on it compared to mine and hers doesn't have that noise like mine. Here is dead silent.
it is upper end sounding, provided you did everything right and the rockers are tighten properly and you didnt get bad parts the cam being worn down would make that same noise. seems like the original owner didnt change the oil. you inspect the pushrods and everything for oil flow?
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From: Independence, Mo

Yes after I replaced the push rods along with the lifters it has a good oil flow to it but the previous owner didn't take good care of the car. The oil in it before I changed it was black as night and somewhat on the thick side. Plus I found out by talking to a neighbor of theirs the car it had set for almost two years in there back yard before I ended up with it, I should have talked to them before I bought the car.
seems to me you are going to have problems continually with it. if they didnt do any maintenance and it sat for a long time that would be it for me. cars that sit have fuel/brake everything else problems and electrical corrosion problems etc...
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From: Independence, Mo

Well since I am a student at this point in time I am stuck in a rock and a hard spot. I really an not in a position to buy another car let along make payments on one so I am thinking about pulling the motor and doing a complete upper end overhaul and inspect the lower end for any abnormal wear and tear and fix anything that need to be fixed if any. I have already did a complete brake overhaul on the car after I lost my brakes a few months back causing me to run into another vehicle. Also I have fixed the few electrical problems it had already so the only problem I have now beside needing the struts in the front replaced is the engine problem. So in your opinion would it be worth putting another 500$ give or take a few in the engine. I spent 700$ on the car but I have put roughly 900$ into it.
sometimes you got to do what you have to get where you got to go. as far as the engine it takes some special tools and knowledge to properly inspect/repair/rebuild. have you tried talking to a machinist near you and find out what it would run to rebuild the lower if you bring it to them? i imagine you can get a decent used engine for 500 so i wouldnt spend more than that.
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From: Independence, Mo

Well I have thought about replacing the engine with a used one but I really don't want to really throw all if the money I have put into the engine. I have a local machine shop I will contact and ask them about it. But I have a few friends that have a lot of mechanical knowledge that will be helping with doing the engine work.
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From: Independence, Mo

I am sorry about that. I some what misunderstood what you said but I did talk to my local machine shop and they told me it I brought the crankshaft in along the the connection rods they would inspect them. That also includes them looking at the bearing to. The said that would run right around 150 to 200$ to do that but I am really thanking about pulling the heads off and have them check them to and hone the cylinders along with replacing the camshaft bearing and putting in new freeze plugs. That would be me right around 300$ for them to do that and Thing that would be a good investment.



