Old Pontiac Th350 transmission with a Ls 5.3 Engine
Thread Starter
Staging Lane
Joined: Apr 2022
Posts: 81
Likes: 5
Old Pontiac Th350 transmission with a Ls 5.3 Engine I am curious to know if my th350 transmission and a 5.3 Ls will mount up properly. Are the bolt patterns the same?
Also what specific items do i need for this to work? I know I need some sort of spacer and grade 8 bolts, but what else?
Also what specific items do i need for this to work? I know I need some sort of spacer and grade 8 bolts, but what else?
TECH Junkie
Joined: May 2012
Posts: 3,046
Likes: 713
From: Poplarville, MS
This link should answer your questions.
All about Flexplates, Converters, Transmissions and Spacers - LS1TECH - Camaro and Firebird Forum Discussion
All about Flexplates, Converters, Transmissions and Spacers - LS1TECH - Camaro and Firebird Forum Discussion
