Lucy gets a modern powerplant

[LooseyLucy71]

Hey Guys,

I've been poking around on the site for a while but just got around to actually joining! I'm in the parts collecting stage of swapping an early 2000's 5.3l truck motor into my 71 C10 (SWB, FS), Lucy. I have the motor, TBSS manifolds, and a few other parts so far. The new motor will be replacing a '75 454 truck motor and will be mating to the original TH400. I'm hoping to pull the big block out in a few weeks and have been doing quite a bit of research. Has anybody else done this swap and kept the TH400? I'm wondering what mounts to use. It seems like people are really happy with the CPP sheet metal mounts, I'm just not sure what combination of mounts and plates to get to leave the trans where sits. Any input is much appreciated.

Thanks,
Andrew