This is a link to my recent conversion - but I used an Odyssey battery. Works great, but is a very messy job!!!!

https://www.forabodiesonly.com/mopar/threads/battery-gutting.440367/

Jim


1970 Superbird 440-6bbl, auto
1969 Barracuda 340-4bbl, FB Formula S auto
1969 Barracuda 6.1 L Hemi, 5 speed, Convertible
2022 Can Am Spyder RTL