Here we explain how to measure the squish size of a cylinder head insert.
What's needed?
You need tin wire and preferably a digital caliper.
You can best measure the squish with tin wire that's close to the expected squish size for an accurate measurement. So if you have an expected squish of around 0.80, you could best use tin wire of around Ø0.9/1mm. If you have an expected squish of around 0.50, then you could best use tin wire of around Ø0.6-0.7mm.
Note that the squish value in this video (0.38/0.39) is a fictional squish size! It does not mean that you should have a squish size of 0.38mm, the video is made to show you how to measure the squish, not what the squish size should be.
Cut 4 small pieces of tin from a tin wire. Make sure to use 4 and not just only 2 or 1 tin piece to get a correct measurement.
Take the cylinder head and insert off again.
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