piston

To 2zz engine owners... I just disassembled my engine to get the head rebuild. I noticed that the pistons have the common dark carbon deposit, but piston 2 and 3 have more than the rest and is kinda like a dark sludge. Is this normal? The exhaust ports looked clean. I just got the engine, so I...

Replaced valve seals according to the great instructions in this post http://spyderchat.com/forums/showthread.php?38510-Replacing-the-Valve-Oil-Seals&highlight=stuck+valve .... got everything back together, made sure the chain and sprockets went back in their proper places and everything. Went...