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I tore apart the top end and i found one lifter that was scared.... Do yall think this couldve been my noise? My only other question is does it matter if i ordered an 02 camaro gasket set instead of 98? Im about to pull out the cam to check if its damaged but I'm not sure what else I could check. Thanks again. car is 98 z28 93k miles... i ordered headgasket kit with bolts and im gonna order oil pump and i dont know what else..
Seems unlikely to me. I had a couple lifters with small marks like that, though I will say they weren't as pronounced as yours, and they were as quiet as can be.
It's more likely that a lifter collapsed, or your cam is wearing badly from improper heat treatment when it was manufactured.
And i didn't give him too hard of a time but i did make sure he learned to not do it ever again lol... I'm just hoping i find sum wrong with the cam so im more confident putting em back together.
Seems unlikely to me. I had a couple lifters with small marks like that, though I will say they weren't as pronounced as yours, and they were as quiet as can be.
It's more likely that a lifter collapsed, or your cam is wearing badly from improper heat treatment when it was manufactured.
I'm going to take out the cam soon, my only question is do i have to drop the oil pan to remove the oil pump? And should if I dont have to, would it be a good idea to do it anyways and replace the oil pan gasket and maybe pick up tube gasket or something? The bottom of my engine is pretty gross all around and it might be from the oil pan gasket but I doubt it. I'm also not sure if i wanna do the rear main seal or not but like I prolly should....... dude before me replaced clutch at 80k miles but i doubt he did the rear main seal... anyways thx for advice. allsoooo lol does a collapsed lifter jus mean its internally damaged or sum??
You will have to drop the pan to get to the fastener for the pickup tube on the oil pump and I would replace the pump and o-ring. What was up with the needle bearing LS7Colorado pointed out in your original post?
Seems unlikely to me. I had a couple lifters with small marks like that, though I will say they weren't as pronounced as yours, and they were as quiet as can be.
It's more likely that a lifter collapsed, or your cam is wearing badly from improper heat treatment when it was manufactured.
I got the camshaft out and I don’t really think I see any damage on it.... all the lifters look fine expect for the scared one. Can I lifter be bad internally? Or do you think I should replace the cam? I jus want to be sure I fix the problem before I put everything back together with new gaskets and bolts so that I don’t have to take it apart again and waste time and money:/ any and all help is appreciated thank you
Hence, the reason I mentioned the needle bearing you pointed out in a previous post which we still haven't gotten an answer on.
lol sorry the needle bearing that y’all think you saw in the oil was jus part of the container, like a little grove or what not but I’ll honestly go check the oil container again later with a magnet to be extra sure lol. I’m thinking I’ll put the heads back on with new ls7 lifters oil pump and headgasket n other gaskets or what not. Run the car and if the sound is still there hopefully it’s jus pushrods or rockerarms. Like I said my car is a 98 z28 Ls1 93k miles 6 speed, It’s jus my first time opening up the top end of a motor and I wanna feel confident putting it back together u kno? Anyways thanks again to everyone’s help, y’all are an amazing community.
Lifter can certainly be bad internally, so can one of your rocker arms.....
can a cam be bad internally or do I jus inspect it for bearing damage or what have you ? Because the cam looks fine there’s slight ish burn mark or whatever but it wipes off or something lol. But ye all parts of the cam are smooth. I’m thinkin I’ll put it back together with new lifters and if the sound is still there I’ll replace my rocker arms and pushrods. I’m assuming my valves are fine? Not really sure how to check and to be completely honest I barley know where the valves are and what they do 🥴
If the is bad it would be pretty obvious with wear and metal flakes in oil. Also it would destroy a lifter or bearing.
But there is NO WAY I could put the stock cam back in…. I mean… unless I was completely broke or something and just needed the car going. But I would have checked the rockers first also if that was the case.
If the is bad it would be pretty obvious with wear and metal flakes in oil. Also it would destroy a lifter or bearing.
But there is NO WAY I could put the stock cam back in…. I mean… unless I was completely broke or something and just needed the car going. But I would have checked the rockers first also if that was the case.
only reason I’m going with stock cam is I live in ca and can’t go any decent cam other than ls6 so I wanna jus keep this car fully stock and imma build My 5.3 that has 243 heads into my trans am. My rocker arms look fine and felt fine before I pulled them out but is there anything I should look for before putting them back in? I rolled the push rods on my floor lol and they seemed fine but I’ll definitely roll em again on a glass table to be sure. Considering I’m keeping it stock I’m jus going melling oil pump to keep it healthy and it’s jus gonna be my daily swinger lol. I also don’t mind keeping it stock because I wanna restore the car and keep it under a 100k miles.. I’m also going over seas soon and jus want to make sure it runs so that it’s not just sitting and my brother can start it once a month or sum.... also last random question but should I get ls2 timing chain and jus keep stock chain gears? Might as well considering I don’t plan on opening this motor again for a whileeeee.. hopefully. Thanks again!
I wouldn’t bother with oil pump or timing chain, no need to waste money if it’s not gonna get drove another 100k miles.
It could possibly be a sticky lifter and since it’s already torn apart just throw a new set in and slap it back together.
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LS1 lifter tick noise? 
