Compression guage adapter for Kubota D722-EB

Team, I have a 3 cylinder diesel Kubota D722-EB with 2,200 hours on it. I think one - maybe two - of the cylinders may not be holding correct compression. I have a good Snap-On compression gauge, but the adapters won't fit the injector hole or the - tiny - glow plug holes. Any suggestions on where to get adapter that will work? Thank you. Jim

In the past, i have actually made an adaptor from an old glow plug to fit my compression tester, is that an option? As buying on efrom Snap-On will be rather spendy i bet, unless you can find one on ebay

Tazza said:

In the past, i have actually made an adaptor from an old glow plug to fit my compression tester, is that an option? As buying on efrom Snap-On will be rather spendy i bet, unless you can find one on ebay

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Tazza, I am sure I will have to make one. Just trying to lower as many hurdles as possible. If I was as skilled - and focused - as you, I would have it done already. Now...............I'll just think about doing it for a few weeks. If there was an adapter that I could buy - I wouldn't have an excuse. Thank you for reply. Jim