Indeed they were! I actually saw ONE. Fortunately they were rare.Hey 42,
These were something else.......with the 428 CJ "Package"!!
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Later, Mark
There was 100 Mach 1's with 351's for every one of those. My brother-in-law had one.
We ate the 351's alive with the hot 327's.
Now, the 1967 'stang with the 11:1 390..... my brother had one. It was a horse of a different color (pun), purple.
Only ran on 100 octane Amaco white gas. Any other premium and it wouldn't idle and black smoked.
It was fast! I mean more than 135 MPH fast. Probably have more than a few white hairs from riding with him
The factory low-balled the horsepower rating (320 at 4800 rpm for the 390) to keep people from paying a ton in insurance. (the 428 Cobra Jet was only rated at 335)
Yeah, right! Liars!
There is no telling what they actually made.Wikipedia said:"The 428 cu in (7.0 L) Cobra Jet engine continued unchanged in the 1969 and 1970 model years and continued to be advertised at just 335 hp (250 kW; 340 PS) despite being closer to 410 hp (306 kW; 416 PS)."
That mustang was however his major source of income until he got a job at age 20. About that much horsepower.