Remarkable pair.
Could you remind us how you acquired them?
YAC 378 the 109, chassis 21, I tracked that down in 2006 after first seeing it advertised in 2004 but not realising how early it was, I managed to track it down in Oxford with the help of Tom Pickford, it had already been stripped down by this point as it was a complete rot box after having been by the coast between 61-81 then being left sat in a Welsh field between 86-03. Hopefully will be finished and on the road this year.
YAC 379 the 88 is chassis No1, the first numerical S2. Again I knew of this car but could never find much out about it, other than a few whispers it was still about near the Gaydon area, years later we found out where it was after being spotted, however the owner would not sell. Years again later, by chance I had a tip off the owner was moving and it was now for sale, so again I was lucky enough to get over and secure a deal on it in 2015. Unfortunately it was left outside for a number of years with no protection, so it is very rotten despite its straight looks. Thankfully it is a matching numbers car, the plan is to have this recommissioned ready for the S2 70th in 5 years time (got a few other projects first)
Regards Build dates - no body actually knows the real build dates., the day it rolled of the line. What Gaydon/LR quote you as your build date is actually the date it went into dispatch, which is when the car was ready to go to its customer, between coming off the line and it entering dispatch, there were various process's the cars would have to go through, inspection, re work, testing etc hence the dispatch dates are all over the place, rather than being in an orderly sequence. The idea that LR would send cars back to front and pick random build slots is ridiculous, they had a hard enough job launching all the different chassis number sequnces they used. I know my chassis no1 was built roughly 2 weeks before it Made it into dispatch, along with chassis No2 and 3, that didn't enter dispatch until 2 months later. However chassis 4, 6 and 9 went straight into dispatch on 2nd April 58. This is all based on my own theory which is based on unit details and dispatch mean dates I have gathered over the years.