hi there,
I think I took the Aero 8 to my local Halfords a few years ago and they weren't able to undertake one of the tests - forgot which one. I now go to local garage and they are fine - also do all services (first one took them ages!!!)
peter

15 Weissman GT5
11 Aero8 SS
21 Q7
23 RR
24 Def'r 130
1960 XK150 DHC
1970 E-type
2024 Huracan Tech