Don't know if you've read Barnfind49's story but here's a couple tidbits from his posting related to your question. Here and here.


He has a good writeup in the projects section on his 5.3LS conversion.

Good Luck,

RonR


RonR


1951 3600 with Clark flatbed, T5, 4.10 rear
1970 340 Duster
1990 5.0 V8 Miata (1990 Mustang Gt Drivetrain)
1964 CJ5