Low compression in number 2

[Jeff Gruber <jgruber@demainsoft.com>]

My mechanic says that I have the following compression readings

1 - 75
2 - 20
3 - 50
4 - 75

Needs a ring job?  Yes?


Is that something a dumb-as-dirt mechanic like myself could try?  Be 
honest, brutal if necessary.

Thanks.