is there any way...
The last 3 digits tell you what type of T56 it is...
020 - 99 GM F Body
017 - 98 GM F Body (Will NOT work on an LS1 without a front plate and input shaft swap)
016 - 93-97 F Body
011 - GM Aftermarket
Take a look here for more info:
http://www.highperformancepontiac.co...ion/index.html
the 98's are ls1 version trans and WILL work for an ls1 f bodyit the 93-97 version that wont work for the LS1 cars





