Hi Trudy, hope all is well and the bodywork is coming along on the old car, yes the last one was at 4.6 i believe and was snappy enough without being tiresome in traffic. I Voicey got the GS down to 4.5 when he (AV Engineering - forum sponsor) sat in and we tweaked it before Spain. I haven't got the GS driving anywhere near as nicely as the 4200 was set up but I'm getting there slowly...