650-700hp Mopar 440cid motor build

Yep, my thoughts too. In fact, you could probably do it with a 275 flat tappet.

600 hp with a slightly worked set of RPM heads,maybe 650 with a nicely ported set is not real hard to do.
For comparison,the engine I had on my dyno today,
505 inch ( 4.350x4.250) Victor heads with minor work,Victor intake,shelf grind Comp roller cam,1050 Dominator custom built 2.125x4" headers made 671 tq/690 hp before major tuning. 715 tq/735 hp after all day tweaking and putting my modified Dominator on.
Keith

To make that much power, the RPM heads need so much work that there is no sence in going that route. You have basically two choices; build an engine with the parts you have and it will make x-horsepower, or shoot for the 650-700 hp range and make the parts choices accordingly. Here is what I would propbly do to keep the budget reasonable. If willing to retain the stock crank I would pick Mahle pistons and rigns for it and bore the block for them. Rods, from 440 source or equivalent. Enlargen the oil galleys of the block and use a 1/2" pickup, main studs and linehone the block. I might also do a short fill for the block, which should be done before machining. Last thing would be trial assembly, measurement and cut the decks to achieve zero deck height. For heads I would choose Pro Comp aluminum heads and port them. I might use other rockers depending of the budget, Harlan sharp or even the Indy rockers may be better than what pro comp offers. Indy rockers have greater offset and the heads require some grinding to fit them. For the intake I would use Edelbrock Victor with a 2" dominator adapter and a 1050 dominator carb. You should end up with around 11:1 CR which should work fine with 98E gas you have, no problem there. I would use an old tried and true cam motion roller available from Indy, 276/283 at .050" and .69"/.63" lift. Then get the lifters etc where you can get a good deal and last order the pushrods after you know the lengths required. 2" headers, a good ignition and I'm pretty sure you should be in the range you desired, or if eveything goes like in the movies, perhaps even a little beyond.

Thanks a lot guys! Lot to think about now...

I make in that range with a stock crank 451/400 using Stage VI heads (300 flow), a mopar 590 cam, Indy 440-3 intake and a quick fuel 1050 dominator, however I am at 13:1. It seems like you have to trade cubic inches for compression.