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this is a good info from you guys and i do thank you all. ..as far as the valve train i have most of the parts for the build ..

parts list

-1 heads with 2.25 valve (should go 350)
t&d 1.6 rockers
440-2 single plan intake with 2" spacer for 4500 carb
howards 7.125 alum. rods (mopar bearing)
lunati cam 280 @ 50 731 lift with 1.6 rockers
440 block have not done anything to it as of yet being collecting info...
also have pushrods that came with the heads off of a 440 build

the car this motor will be in is my 70 duster it will have ladder bars,coil overs, and the frontend will be changed over to coild overs and rack,will be useing fiber glass on the hood,bumpers,and maybe the doors,the car is mini tubbed now and have had a 29/10.5w on it before on a 10" rim so i would like tostay around that size tire out back,headers we are going to try and build if we dont find a good set for a good price lol..car will be foot no trans brake


so with this combo of parts you guys tell me what you would build..





From what you have listed you kind of have close to what my 496ci was in the pulling truck a few years ago. I had the 2.25 440-1's but were 380flow, and the cam was 760ish. Carb was a 1150 Dom. Comp was up around 14.5/1. Alum main ,J/E pistons BME alum rods, Bryant crank. Rpm's were between 7000-7500.

When I built this engine we were aiming for 800hp.

First year we ran it we cracked a cylinder right at the bottom.

Didn't have the $$$ to buy a better block so we filled a stock block and added a Girdle. Also that year we added a Vacuum pump and a few other little extra's and the engine ended up being around 840ish hp.

The engine lasted 3 hard pulling seasons with no problems with the block. (went to the TS engine after that) But i knew i was running a stock block and it could go BOOM any time. If done right i believe they can last just fine but realize they wont last forever.