4 year old rebuild in Corvette - now tapping or knocking...leaking oil

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Originally Posted by lrsmith62

Have a 61 Vette with a newer totally rebuilt 327 block, Edelbrock top end stuff. It seemed to be running high oil pressure for awhile (55-60 cold, 35-50 hot)...higher than it did right after rebuild.

Last week I noticed big oil leak under car (never leaked before). There was oil sitting up on the intake manifold as well. I retightened valve covers, filled with oil and it doesn't seem to leak up top...having a hard time see where leaking is coming from.

There is a NEW tapping sound...checked lifters and they seem tight. Any easy way to check to see if it's in a rod somewhere?

Here's video so you can hear it:https://youtu.be/35-uWjpaKYY

any ideas appreciated....hate to break it down to much as it's pretty newly built.

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Just curious, did you ever find the cause of your problem?

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Originally Posted by lrsmith62

. I guess I'd be shocked that the cam is worn our since I have less than 2500-3500 miles on this engine.

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A local guy here in town made it less than 30 miles down the road on a new crate motor with a flat tappet cam, pulled over on the side of the road after it wouldn't run and pulled the valve cover, rockers where barely moving, didn't put any zinc or use oil with zinc and it went flat that quickly. I hope all goes well for you as we have all been down the road your going! Best of Luck Matt

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Originally Posted by jimbos56

Just curious, did you ever find the cause of your problem?

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If you look at his activity he checked in three days after his last post, September 1 at 11:43pm and hasn't been back. Yeah, it's only 8 months, but then again, it's 8 months with no posts....