400 or 440 build

[Curiousyellow71]

Now your just talking silly

I will have to find pictures of our turbocharged 318 in our 72 satellite with air conditioning been nearly 25 years ago now. 12 lbs boost on av gas. it probably was pretty silly or crazy...or fun..Lol not sure which. It was a tire smoking machine. Fond memories

 

[m79ded]

I say go for the 451, the low deck is a better block. I put a 451 in my 79 magnum with tf 240 heads and I love it, revs like a small block because 1.32 CH pistons are light, much easier on the entire assembly. For a street car it's great. Made 612 hp and 624 tq and runs pump gas power brakes with 13" vacuum, If you are buying new rotating assembly consider perhaps a 470 it's even better, that 3.91 stroke with 6.70 rods seems to just work really well it really has a great sweet spot

 

[67_satellite]

Which would you build a 400 or 440. I have both and was wondering which would be best. I have a 383 steel crank for the 400. Both engines are 1974 castings. I was thinking of using Trickflow top end.

470 and be done with it. $.02