383/th400/373

My a/c blow hard with them temp selector on cold, but when i switch to heat it barely blows. Whats the cause of this? If its on heat, the more i move it to cold, the harder it blows. The heat is hot it just barely coming out of the vents. All vacuum lines are fixed, everything else works. it...

Hi Eveyone, Im in the middle of changing the stock 307sbo to a 383sbc. Its bolted in and now i'm figuring eveything else out... Also, this is the first time I've done a motor swap. I have a few questions 1) The factory fuel set up has a supply, a return line, and a fuel tank breather...