Comparing engine tuners is very difficult anyway. There's just far too many variables.
Drivers, how it was built and by who and what parts were used, oil and fuel, age and how it was run in and loads of other stuff.
Yeah enough said. TDP have the best results of anyone in the country over several different disciplines, most noticeably drifting, and are the only mappers who will be trading on here for the foreseeable future.