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Got it for 1300, its drives great, everything works. Its got a 390/C6. The 390 is tired. I have a fresh built 400 ready to go. What will I need to swap 390 to 400 in a 76 2wd?? I know I will need a C6 with the right bolt pattern. I am wondering what I will need as far as frame mounts. I have 400 motor mounts and frame mounts but they are off a 4x4. Will I need 2wd frame mounts for a 400? Will 2wd frame mounts off a 77-79 with a 400 work? They didnt put the 400 in until 77 i dont think. Thanks I need all the advice i can get!!!!