GGR,
I am not sure if the chatter didn't occur in colder climate but it didn't happen so often for sure.
I can't ignore it any more.
If chatter is preignition the fuel quality can be a reason, maybe also the leaking oil through the valve seals (I'll change them soon).
If preignition is still there after valve stem seals change I could dial back the timing at the distributor.
Martin
Quote:
Originally Posted by GGR
Pre-ignition and TC rattle are different noises. Hot weather favours pre-ignition, so it may it as you just arrived in Oman. To be sure you can turn the dizzy back a few degrees and see if the noise is still there.
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