Dano, That's why I like my '69 GS California it's the two door post sedan chassis with the GS 350 drivetrain!
FWIW, the introduction of the TH400 in 1967 helped increase automatics as a popular option on GM performance cars. Here's 1970 LS5 454 numbers: 2197 auto, 2763 manual I'd have to go get my book out back if you want to know the other 3 engines.