Qucik Tranny Help

[97chevy350]

Anyone, what is the RPO code for a 4L60E and 4L80E tranny?????

[MS3DALE]

M30 for the 4L60E

MT1 for the 4L80E

[srlbotanical]

If you have a 97 1500 it's going to be a 4L60E.

 

Steve

[97chevy350]

Thanks guys, its actually for my dads 99 though, tried to get an output seal for it, and the seal was only booted for the 4L80E though Im pretty sure it has a 4L60E, according to advance auto parts computer as well as the federal mogul book.