G body with TKO?
See my previous post that includes dimensioned drawings..... I also have dimensioned drawings of all the components used...Let me know if you need them
https://ls1tech.com/forums/conversio...ot-busing.html (Post #13)
Caution, your 5.3 could have the common LS crank flange, or the truck flange that is reported to be .400 longer, see attached pics. My drawings are for the common LS crank flange.


