The seat does help for establishing scale though. :)

Based on a complete tear down and rebuild

8)

>..< haahaahaahaaa that's so neat. I must admit though, I have this thing against that type of book as they tend to screw you over by not telling you little things, like all the things you wanted to know and bought it for in the first place, mine I was trying to find the thermostat on my car and it wouldn't tell me where the buggered thing was, and then when I was trying to replace my started, I 'll be damned if it didn't mention how to do that either.