How can i make 700 horse from a 410 stroker

Mean416 said
I love it when people are like, "you need torque of a big block"

HP is just a calculation. You gotta make a bunch of torque to get to 700 HP, big block or small block.

A Big block will make more low end torque by virtue of displacement but for mud racing your gonna be revving.

I think that guys should either make a recommendation for 700hp or just admit they don't know.

700hp from a SB will be brutally expensive-and to last, I would expect no factory parts in what might be essentially a NASCAR engine-R block, W9 heads, etc.

sireland67 said
Boost may not be allowed.
I know the mud bogs here in WV do not allow boost or nitrous for insurance reasons.

About 30 years ago a throttle stuck on a blown Ford set up like the OP's truck, it climbed out of the pit and ran over a lady sitting in a lawn chair, killed her. Sad day at the races.
I was there and still remember the look on her face before the truck hit her.

I fail to see how boost matters...a stuck throttle on a NA giant big-block (I have seen mud racers with 600ci) would do the same thing.