Originally Posted by
JimmyMac
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I'm running the aluminum Samix chassis on my 418 and I notice the chassis bows up where you tighten down the separate mounts. Loosen them and the bow goes away. It could be that or the Samix chassis is using the wrong countersink angle for their screw holes.
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Nah. You're doing the screws up too tight and/or the alloy used is crap (or too thin).
Another possibility is that the chassis holes are not exactly matched up with those in the suspension blocks.