I test rode a Fuel EX 8 at the weekend and was really impressed with it.
BUT the chainslap was unbelievable. Far worse than an Orange 5 or anything else I've ever ridden, even when I had it in big ring and big sprocket (not my chainset!).
Another customer in the shop said his was the same. Is this a common problem? Any workarounds?
Judging by how loud it was even inner tube wrapped round the chainstay wouldn't quieten it down :-/
mine is noisy as hell. sometimes feel i have to slow down as the amount of noise sounds like i might break something.
i have one and i just shortened the chain a bit, makes no more noise than other bikes now, but i know what you mean. it was noisy to start with.
Had mine a few months now and never noticed it. The liquid I had a few years ago was pretty bad though until I wrapped the chainstay in neoprene. Maybe chain length is a factor?
My Remedy is pretty noisy.
Tracked it down to the front mech.
Took a link out of the chain and it improved a wee bit.
Now when its rattling it doesnt bother me as I know its not the chain slapping the chainstay.
How can a frame cause chainslap? Got to be more drivetrain related.
Still, at least its a variation on the old 'How can a frame cause chainsuck?' question 
Well the chain was the same length as the one on the 5- rear mech vertical in middle and sprocket 3 (I think) so the frame must have something to do with it. 2010 demo bike so the mech spring can't be shot already
I guess it's all related to the position and shape of the driveside chainstay. Even the shop guys commented Trek Fuel EXs are noisy bikes
no chainsuck though 
Can't say I've ever noticed chainslap on my EX8 and I've had mine for over two years!
Yes mine too
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