September 1, 200916 yr Author Well I seem to have gotton rid of the knock!! I'm pretty sure it was caused by the missing wafer/spring washer in the rocker assembly. One other thing I noticed was the LHS rocker assembly was installed on the RHS and vice verca. I installed them back into the correct side. And adjusted the valve lash, which were all way out! Now while the awful knock has gone now I have a constant ch ch ch sound coming from the engine. Do you think this could be caused by re-installing the rocker assemblies to their correct side? Would they have worn in at all in their new positions since the rebuild 40000kms ago? Some of the washers were installed in the incorrect order which I fixed, so maybe when the rebuild was done the rocker assemblies were dis-assembled and re-assembled incorrectly. Possibly mixing up the spacers so LHS really is RHS. I just love incompetance!!! I'm thinking I might swap them back over to see if the ch ch ch goes away. I'm not as worried about the noise it is making now compared to the knock it was making, I thought a piston was about to jump out and say hello!!! Also, I found a good tool for adjusting the valve lash. A drum tuning key for any drum kit. They are spot on perfect size and you can slip the 12mm spanner over it and slide it down to tighten the lock nut. You can get them for under $5 at any music shop that sells drum accessories. Do a google search for 'drum tuning key' if interested. Thanks for all your help with this one guys!!
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