Hello,
The 110 AHF & ASV engines uses the older mechanical pump fuel delivery and the by remapping you will get close on 140bhp, but by fitting .216 nozzles. and a custom remap should see you closer to 160+bhp, for more power you will need a bigget turbo and remap to match.
If your looking for a and your planning on tuning go for one of the PD version, 115bhp 130bhp or 150bhp, all of the PDs can be tuner really well with the stock parts, plus its very easy to go donw the bigger turbo route.
Rough guide to power gains
http://bigbhp.co.uk/id88.htmlNick