Posting everywhere to get help.. I have a 36 chevrolet sedan with good upgraded radiator and 350 stock small block and auto tranny. The engine sets quite low in the bay and the small engine fan only covers part of the lower half of the radiator. The car seems to cool quite well moving down the road but overheats at idle. The original owner installed a straight fan shroud that fits snug to the radiator and extends about 2" or so past the fan toward the engine so the fan is completely enclosed in the shroud. I read somewhere that the fan should be partially out of the shroud? Does this make substantial difference in the air flow? What other suggestions for cooling this little rod? I think I might be able to fit a 14" puller if I remove the engine fan,, would that move substantially more air? Any help appreciated.