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Originally Posted by JUS BIT
Your KC 427 should be making somewhere in the upper 590 range at the crank to make 450 rear wheels. They build fantastic motors!
Enjoy!
James
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yea, it probably made a bit more originally (but not much), compared to now. When the engine was built, it dyno'd at around 612 hp @ 5900 rpm & 615 lb-ft of torque @ 5000 rpm.
I believe those numbers were attained when it was running a Da Vinci 950 cfm carb.
It is now running a Holley 770 street avenger, so it might've lost a little off of the top end. (I still have the Da Vinci)
The engine was what sold me on the car... such a work of art. Was nervous about the extreme rod angle of a 427 stroker, but knew that the Dart aluminum block was plenty stout, not to mention light. The car weighs in at 2240 lbs, so it's a screamer... both ballistically and aurally. The whole car just shakes with nervous anticipation when idling at stop lights. Was telling the guys at work about the "session" & several commented how they wished they could've been there to hear the engine at full song, up around redline. It was definitely an experience (glad I had earplugs!). With the dyno being in a single-car bay (of concrete walls), I'm sure everyone for several blocks got a taste of it. Could definitely tell the effects of re-jetting with successive runs... lots less smoke.