Low compression blaster

You can make one.search on the forum there should be some information. Nothing fancy needed. Home depot
It only test Around 5 or 6 psi.
 
Like slydog said you can make a leak down tester fairly cheap. They are really essential if building a motor or diagnosing a potential leak. After rebuild I will test mine before first start up making sure I have no major air leaks, then again after the 3 heat cycles and retorque of head. Sometimes you will have a small leak if tested before you seat rings that's why I check after the heat cycles also. To make sure you are jetted properly you need to do plug chops after it's rebuilt. If you're not sure how do a search on here alot of good info..
 
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