hi i have an 1987 buick regal limited and the 2.53 gears behind my oldmobile 307 engine. so i found a 1983 buick t-type getting parted out on cl. what i want to know is if it will be a direct swap into my car. the only information i could find was that in wiki it saws it has 3.52 gears in a 7.5. so it should be a direct swap can anybody shed any light thanks.