All engines are compression analyzed ahead of becoming transported. We do not ship engines with bad compression. Step 5: Gauges: I by now stated in step 4 that a lift gauge is important. The other gauge I recommend is usually a wideband O2 sensor. This will provide you with https://kamerondmgim.liberty-blog.com/28099043/jdm-honda-s2000-f20c-engine-for-sale-an-overview