351-m, 400-m

[Foul Al]

i have a 79 with a 351-m-400. is that the same as a 400-m? what is the difference if any?

 

[79rag]

the only difference that i know of is the crank and pistons

 

[gibs0n06]

the only difference that i know of is the crank and pistons

the only difference is crank and rods they have the same bore, cam, heads, and intake other than a 4 bbl option i believe on the 400

 

[swampthing]

they also ********? the timing in the 400m's beings they were non catalyst