If you are after 30AMP Siemens Relays (Single pole) for freebies, I have about 2000 at work going begging that I am sure I can get my hands on.. They do not require heatsinks either.
Let me know and I will grab a load

Paul
PS... Sorry for the delay in posting for a while. DOO DOO happenings in RL and had to sort some sh1tz out.. All done now and forging ahead once again.. Smacked the front of my car in big style end of last year too.. New bonnet, lights, valence etc.. and shes looking cute now.. just need to sort out the front bumper as its on the pi$$ but its looking a whole lot better now though..