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Do 400's run good ?? Well my son has run 11.40' @ 117 with his stock stroke 400. It's a mild build with stock Eddy RPM heads and the MP .557 cam.
is he using a steel 383 crank, or did he use a cast 400 crank? does it make any botton end torque, or does it like higher rpm's?
Nitroman a 400 is a REV motor, and when I say rev, i mean it will SCREAM. If you think your 350 Chevys liek to rev you need to tach up a 400 Chrysler because it has a shorter stroke and will still make more torque anyway.
A home port job on a set of 915/906s or 346/452s goes a long way. A 400 will tach up very nicely to 6500 or so with a decent cam and stock heads. In fact Dwayne Porter has made something like 460 hp with a stock displacement 383, stock 906 heads I beleive the ports were completely untouched, and a tad over 250 degrees of duration @ .050 and around 11:1 compression.
Big block Mopars just flat out run and theyre durable as could be. You dont need tons of head flow to make these things run high RPMs, theyre just big mills. Most 11 second 440s probably dont see much over 6000 rpm.
Now I need to pin those needles, got to feel that heat
Hear my motor screamin while I'm tearin up the street
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