A total of 839 small block 4 speeds were made in 1970. 589 big block 4 speeds in 1970. 16,595 Monte's got the 400 small block in 1970 but no break down of how many were 4 speeds. I would guess it's pretty rare. But what it come down to is people's personal preference big block 4 speed or small block 4 speed that will set the price. It's like having a real clean 72 Monte for sale at a very fair price but because of the color not to many people are looking at it for what it is ......had to say that lol. Something is only worth what people will pay.