Yes, people have been putting 1700s and 2100 into A7V, A7V133, A7VKT133 and running them with "Remapped" Multipliers up to 24X.
<a href="http://www.beachlink.com/candjac/index.htm">
http://www.beachlink.com/candjac/index.htm</A>
link to Tbred article for Table of settings which lists the undocumented Remapped Muiltipliers. Link to Workarounds article for mods to access the high Multiplier range, comment on successes with A7Vs accessing the 13X-24X high range of Multiplier.
John C.