That "SpankinV8s" guy is a moron, and the sad part is he likely came from this forum.
"you think american cars were the first ones to ultilize itb's??? ya right lol bmw has been using them for years from the factory . same with early porsches."
GM introduced the world's first production gas fuel injected automobile in 1957on a 283ci small block. A BMW wouldn't have fuel injection from the factory until 1969 when the 2000tii was introduced.
Early Porsche? What exactly is an "early Porsche"? Fuel injection was introduced on Porsche models in 1974 and it was the same basic Bosch Jetronic system you could find on a BMW or Datsun 280Z. Wasn't exactly hard to come by at this point in time and being that it's some 4 decades after the company was founded it wouldn't call it early.
ITBs gained wide spread popularity with the classic Hilborn fuel injection systems during the 1960s. Hilborns are very distinctive looking with their tall ‘horn’ type stacks.
Modern recreation of Hilborn style injection system.
They were used in virtually every type of racing and were THE origin for the ITB fuel injection system.