Your SE5 Scimitar's wheelbase is 5" shorter than the SE6 I have on ebay, but I am sure that won't be a problem for your grinder!
http://www.ebay.co.uk/itm/3814968996...84.m1555.l2649
Cutting doors in it isn't too much of an issue as we have a 32 coupe mould with the same length of door.