This is a Gunson Hi-gauge compression tester.
Spec; This tester has a flexible high pressure hose and fits all 14mm spark plug holes. Calibrated in imperial and metric pressure values, you can diagnose worn piston rings, oversize cylinder bores, etc.
I have no idea if this is any good, but remembered someone saying they needed a compression tester to check if their head had cracked & this came up on a local community website for free. As it connects to the spark plug, presume it will only be good for the petrol Surfs.
Let me know if you are interested and I will get in touch with the person who has it, or let me know if it's no good for any Surfs.
Spec; This tester has a flexible high pressure hose and fits all 14mm spark plug holes. Calibrated in imperial and metric pressure values, you can diagnose worn piston rings, oversize cylinder bores, etc.
I have no idea if this is any good, but remembered someone saying they needed a compression tester to check if their head had cracked & this came up on a local community website for free. As it connects to the spark plug, presume it will only be good for the petrol Surfs.
Let me know if you are interested and I will get in touch with the person who has it, or let me know if it's no good for any Surfs.
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