Think its a good idea!
There's this artikel in the german VW Speed from 10-2000 that I'll never forget: its the testing of 6 big engines from 6 well-known tuners that accepted the challange back then and showed up.
Last year with my 2,7 T4 engine that I made myself, I beat/equalled the best power and torque of the top car from that test, so I felt really good