Floyd
Well-Known Member
I'm sure that was a big factor, even though it eventually went to MPFI like everything else. I tend to think another issue with most inline 6CYL engines was packaging and weight for modern body designs.I think the biggest issue the carbureted 300ci I-6 had was emissions. Years ago, a co-worker had that motor in a '81 F-150 4x4. As I recall, his only complaint was getting it to pass emissions in Phoenix. LOL, he once told me one of his friends worked at an emissions testing center and would fudge the numbers to get it to pass. As I recall, if the carb was adjusted correctly for the inner 4 cylinders, the outer 2 cylinders were running lean. If you adjusted the outer 2 cylinders correctly, the inner 4 were running rich. I assume Ford fixed this issue when they offered FI.
Further development of this all cast iron dinosaur was just not practical compared to the cheaper and more compact V6 designs.
Still, time marches on....What worked well 50 years ago must make way for changing times...
There aren't any more of those venerable flatheads out there either.
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