LT77/LT85 Identification wows

Im looking to replace the carpets, might even strech to the acoustic matting depending on finaces, in me 1986 110 V8, phoned Craddock and they need to know weather its the LT85 or the LT77 gearbox, is there any way I can easily Identify which gearbox I have without taking the car to them to have a look?
Thanks in advance

have a look underneath and look at the gearbox. LT77 will be a steel casing, oval shaped and usually black. LT85 will be an all aluminium casing, very square and shouldnt be painted. thats the main difference that you can spot instanntly.

Try this a good source of info

Ashcroft Transmissions

Thanks both very helpful

as for sound matting i use conveyer belt from ta quarry.