LS1 year questions

[clinebarger]

Originally Posted by fiddy9apache

the trans will bolt up on both the LS and non LS engines but you have to get a custom converter if you wanna run a other gm trans like a 700r4, th350-400. but no need to worry about that, since its a non LS engine the 4l80e will bolt up to what ever you want.

You dont need a custom converter. advance adapters has a kit that has a spacer and flexplate. 6.0s with the 4L80E came factory with a crank spacer
(99 6.0s had a special crank with the spacer made into the crank)