club.liberty.asn.au

So what bolt on turbo upgrades are available. Obviously due to the design of the turbo/intercooler on the GTB, your usual subi turbo isn't an option.

I know avo do upgrades, is there anything from japan available?

I know these guys had a couple of kits.

http://www.avoturboworld.com/

Deadbolt turbos do some funky work for the GT too.