Difficult to say as a lot of the time it depends on the tester and the equipment. However Oulton is mega strict and if you are even a tad over 102 then Mr Grumpy will fail you (been there).
Best thing is just get a baffle and take with you when you are being tested. If you pass great if not you stick the baffle in there and then. Also remember that they don't start testing until 9am with one tester which if it's very busy can make you miss your first session (been there aswell
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