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I've built 2 454's thus far the first one 1985 block, has stock cast crank/rods oval port heads ported/polished 11:1 CR Speed pro pistons/moly rings Crane powermax .427/.454 hydraulic edleborck performer rpm intake holley 3310 carb double roller timing chain stock valves/springs built it for 2500 bucks including me buying the motor and getting it machined now the second one:i put new everything in it Eagle 4340 steel crank Eagle SIR rods same pistons/rings/cam/intake/carb/tc/ high volume oil pump weiand water pump comp cam roller rockers crane energizer series pushrods Manley Stainless valves 2.065/1.725 similar oval port head, older casting, ported/polished crane energizer valve springs matched to cam this one cost me a $5000 but i am very happy with the results. it has a little more zip than the previous motor and its very good on gas. avg MPG on highway is 15 and thats with 4.10 gears and 28" tires. I'd say it has close to 475-500 flywheel horsepower, of course i don't have adyno sheet to back that up, but its good enough for 12's :). I may eventually upgrade it to a roller cam and aluminum heads. Tom ----------------------------------------------------- To Unsubscribe please visit www.chevelles.net/list.html To start a new topic, send mail to: [EMAIL PROTECTED]
