There is no 1HZT from the factory. Perhaps you meant to say 1HDT?
Factory 1HZT
First up, apologies if this has been covered before as my attention to 1HZ topics has been somewhat lacking... I've always been under the impression that the 1HZ was only ever offered from the factory as a N/A (non turbo) engine, and the engine code 1HZ-T used by people that have added the...
forum.ih8mud.com
Factory 1HZ-T is a rare engine, but it does exist