8.25 Vs 8.75

re: 'half-shafts'. Ahh, the British slang. I'm well-versed on such dialog since I have a '71 Daimler ds420 limo so words like bonnet, wings, boot lid, sparking plugs etc. not strange to me. :D Sounds like a nice project - assuming you are replacing orig. 7.25". Just curious as to what ratios are the original versus the replacement and S.G. or 'open style'? And, consider that the drive shaft will need to be shortened by ?"