knockin 617 engine

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scouse g
scouse g's picture
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Joined: 19.08.2004
Location: liverpool
GWOA Groups: Members

i have a std 617 engine, when it gets warm it sounds like it needs the tappets adjusting, done that but still knockin. is it piston or little end on conrod maybe, any views on this? this now a second engine i've seen with this problem, and it is defo a top end rattle.