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Personally if it's running well now (on all 5 cyls), I wouldn't bother.
You can buy a compression tester from any auto parts store and have someone else crank it over for you on each cylinder BUT a leak down tester is a tool that's more for professional engine techs as it's used to pinpoint where the compression loss is (that's IF there's a problem) and one must use alot of air pressure (from a compressor) to add air to each cylinder. My slightly used Snap-On leak down tester cost me over $100 years ago, and is rarely used.
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