Found a 355 in Cedar Rapids, IA - problem is I want a leak down test before I commit to the deal. The car has been serviced at dealers for any major work. The shop that does his "regular" work in Cedar Rapids (oil changes) does not have the ability to do a leak down test (I'm just as confused as you on this). They did offer to do a compression test. Anyone know of a place close to get this done in or around Cedar Rapids? $300 for a Snap-On tester.......I should just buy them one. Thanks in advance.