a group of teenager on a road trip . oh boy . here we go again . the typical horror movie set up . but wait . something set this one apart . it scary . to be more precise and it terrifying . and i be not just talk about the horrible 70 clothing and hairstyle . this film be one of the very few film i consider scary . let me list a few reason represent1 ) the gritty documentary feel the film have . 2 ) the excellent performance by edwin neil ( the hitch hiker ) and jim seidow ( the old man ) and and gunnar hansen ( leatherface ) a the psycho ( in a film this low budget and grainy and performance this real feel all the more scary ) and marilyn burn ( sally ) and paul a. partain ( franklin ) a the victim ( we truly believe and feel their fear ) . 3 ) the atmosphere ( the skeleton bone art . the freaky metal door in the farmhouse . leatherface mask and demeanor . even the way the sun set in this film be spooky along with the sound of the farmhouse generator ) . 4 ) relentless horror ( leatherface run not speedwalks after his victim with a live chainsaw . there no time to trip and fall or your booty be chainsaw bait ) 5 ) the ability the film have to scare you with almost a complete lack of gore ( the only gory scene be when leatherface accidently cut his thigh with the chainsaw ) . the scare lie within the performance and atmosphere and pace . in closing . this be truly the great horror film ( and one of the great films period ) ever make . 15 out of 10 .