This sounds like exactly the same problem that my old engine had which prompted me to replace it. That said I didn't do much investigation as to what the problem was because it was cheaper to put a new engine in.
When I pulled the head on the old engine recently I noticed that one of the bolts from the rocker shaft had come off and the rocker shaft was bent upwards. Also a 90degree section from one of the rocker pedestals had come off and was floating round up there with the rockers. This may have been the cause of the problems, but I couldn't say for sure. Good luck anyhow, John --- James Carruthers <[EMAIL PROTECTED]> wrote: > Hi everyone, > > > Coming back from the fabulous Duxford show, and having raved about the > reliability of my car (Hi Mike...), my engine decided that yesterday > was the day to give me problems. Just as I needed it to go back to Uni > this week. > > Anyway, the symptoms; a knocking/tapping noise, starts at about 2000rpm > - gets louder and faster (in time with the engine) as the revs > increase. Doesnt make so much noise when in neutral, but I can make it > knock if I rev violently. > > I tested the compression again, and thats all fine - 120psi or there > about. It got too dark yesterday to check valves etc > > Haynes suggests big end or main bearings... but then it differentiates > knocking and tapping - and Im not sure which is which... > > Im going to take it down the garage to let a proper mechanic listen to > it, rather than the monkey who usually does stuff (that's me) > > So, could it be anything else, and what am I looking at for the garage > to do the work? Should I be brave and attempt to do it myself? > Difficult? Never done anything to an engine before in my life - but Im > up for it if you all say it *can* be done. New DSL Internet Access from SBC & Yahoo! http://sbc.yahoo.com /// [EMAIL PROTECTED] mailing list /// Send admin requests to [EMAIL PROTECTED] /// or try http://www.team.net/cgi-bin/majorcool /// Archives at http://www.team.net/archive /// Send list postings to [EMAIL PROTECTED] /// Edit your replies! If they include this trailer, they will NOT be sent.
