https://screenrant.com/texas-chainsaw-massacre-movie-not-bloody-gory-reason/
Despite its odd reputation as being extremely violent, the original Texas Chainsaw Massacre is almost bereft of blood and gore, and here's why.
You could have literally just searched Texas Chainsaw Massacre gore.
This is exactly the type of movie you seem to be describing; it is literally one of the best horror movies ever made while simultaneously almost without gore and viscera.