Renewing the Camshaft 4.0 V8

I've put the engine back together now and it's back up and running. As expected really, it's exactly the same as before, tapping as soon as it gets warm.

I'm a bit peeved off that I didn't manage to get to the bottom of the problem, just stripping the engine down to the camshaft and re-assembling probably took me in excess of 40 hours work.

I've had a long chat with Chris from RPI and I'm now resigned to the fact that it's probably a loose liner. He explained that any other problem, be it a worn camshaft or faulty lifter would manifest itself when cold, not hot!

So, as soon as funds allow I'll be putting a short coscast block in it. While I'm at it I will upgrade it to a 4.6 with a Piper cam so that I actually get some benefit out of a bad situation.

Thanks to everyone who has had some input in this thread.

They conclude it needs a new engine based on a phone call??!!!

Pop over to the V8 forum- v8forum.co.uk there are real RV8 boffs over there!

Even if it were that (which I still doubt) I'd be wanting a top hatted block from v8d, turners etc

Did you repalce the rockers? I ahve the same issue but I have read there is a steel insert at the pushrod end that can become loose when hot, so it won't be aparent when cold