TEST DAY | HALFORDSHalfords wanted to show how their BTCC race team partnership filters down to their in-store mechanics. So to prove it we put one of their mechanics, Dave, to the test. 3 tests to be exact.TEST DAY | HALFORDSHalfords wanted to show how their BTCC race team partnership filters down to their in-store mechanics. So to prove it we put one of their mechanics, Dave, to the test. 3 tests to be exact.