The “340” in T/A trim was a 305. T/A motors had a destroked crank. So they basically had the same cubes.
The Mopar ‘70 T/A motors were not as realiable as the Boss motors.
The Boss motors were a second year deal.
And Ford had been in trans am every year from 1966 with serious factory support. And had serious Ford race small block development since the early 60’s with Indy and LeMans GT40 high dollar programs.
