So just picked up a '72 VW Beetle, that's been sitting for 'bout 10 years now. Engine's disassembled and in a box. The passenger rear drum is seized up and won't move, I pounded the crap out of the drum and still nothing. Did the beetle have a adjusting lock on the back, and any tips on how to go 'bout getting the drum off? Also are there any good web-sites that would help with rebuilding a beetle motor, or on beetles in general?