American Motors Javelin & AMX

1968 AMX	1968 Javelin

Year	Total Produced	Engine availability in cubic inches/Horsepower
1968 Javelin	55,124	232six/145hp, 290V-8/225hp, 343V-8/280hp
1968 AMX	6,725	290V-8/225hp, 343V-8/280hp, 390V-8/315hp (yes, this is an American Motors car!)
1969 Javelin	40, 675	232six/145hp, 290V-8/225hp, 343V-8/280hp, 390V-8/315hp
1969 AMX	8,293	290V-8/225hp, 343V-8/280hp, 390V-8/315hp

Year	Total Produced	Engine availability in cubic inches/Horsepower
1970 Javelin	28210	232six/145hp, 290V-8/225hp, 343/280hp, 390/325hp
1970 AMX	4,116	232six/145hp, 290V-8/225hp, 343/280hp, 390/325hp

Year	Total Produced	Engine availability in cubic inches/Horsepower
1971Javelin	24,812	232six/135hp, 258six/150hp, 304V8/210hp, 360/245hp/285hp, 401/330hp
1971 AMX	2,054	232six/135hp, 258six/150hp, 304V8/210hp, 360/245hp/285hp, 401/330hp
1972 Javelin	22,964	232six/100nhp, 258six/110nhp, 304V8/150nhp, 360/175nhp-220nhp, 401/255nhp
1972 AMX	3,220	232six/100nhp, 258six/110nhp, 304V8/150nhp, 360/175nhp-220nhp, 401/255nhp
1973 Javelin	25,195	232six/100nhp, 258six/110nhp, 304V8/150nhp, 360/175nhp-220nhp, 401/255nhp
1973 AMX	5,707	232six/100nhp, 258six/110nhp, 304V8/150nhp, 360/175nhp-220nhp, 401/255nhp
1974 Javelin	22,556	232six/100nhp, 258six/110nhp, 304V8/150nhp, 360/175nhp-220nhp, 401/255nhp
1974 AMX	4,980	232six/100nhp, 258six/110nhp, 304V8/150nhp, 360/175nhp-220nhp, 401/255nhp

Note: Starting in 1972, the "net" horsepower rating system went into effect and meant that the motors were tested with all their equipment attached, which resulted in lower horsepower numbers, making them appear to have less power than they actually had. The auto makers had to start lowering compression ratios in 1971 and this resulted in some horsepower loss, but it wasn't until 1975 that muscle cars were dealt their final blow. Compression was lowered even more to allow cars to run on unleaded fuel. Big block engines became extinct, and the smaller engines were so underpowered it was pathetic.