[collinjay71]

The T-45 was used starting with the modular engine program. In
mid 2000 model year the t-45 was phased out for the stronger
t-3650 model both of which are made by tremec. The t-45 is marginally stronger than a t-5 while the t-3650 is a fairly stout piece for a factory transmission it even comes with internal shifter stops to prevent bent shift forks that were so common with t-5's and t-45's