Quote Originally Posted by shoprat
I have a 70 429 in my 57 Ford. It's a lot stronger than the 78 460 in my 78 Ranchero...I prefer the short stroke of the 429.
I think the 429 was 360 HP stock.
Ron
  • The 1970 429 has a 10.5:1 compressision ratio, while the 1978 460 has a dismal 7.8:1 compression ratio.
  • The 1970 429/460 cam has a more aggressive cam profile than the 1977 460 cam.
  • The 1970 429/460 has a straight up timing chain, the 1978 460 does not.
  • (etc.)

Of course the 1970 engine will be more powerful than the 1978 engine due to reasons as noted above (and there are more differences, too). The 1978 engine can be rebuilt to have more horsepower than most people would care to have on the street. Your comparison is really no comprarison at all, except for maybe serving as a study of how emmissions killed engine power over the 1970's decade. Fortunately, the 1978 460 can still be modified to make really good power.

Paul


Paul