![]() ![]() ![]() you also mentioned company's offering motor's with more power and economy of the same C.I and that's the info that is kept to them self's and not all over the net. Yes you were correct on the era of heads ( some being better than others) its all about the cfm or flow that they make but you must have all your ducks in a row with these parts being matched up well or you defeat the purposes of making a more powerful and efficient motor with stock compression and cam lift & duration. Not only is it better for all engines, the added economy offsets the additional price. I know one thing, I will use only pure gas whenever I can get it. There are national outfits online that make incredible claims of rebuilding 454's for more power and economy, but when I needed to rebuild one I had it rebuilt the traditional way using the best components possible. Many guys are getting away from the Rochester carbs and going to the edelbrocks, but there are fans and naysayers for both. The older 454's are legendary workhorses, there's a handful of Oak captains that have logged 10,000 plus hours on an engine, and lots of old time motorhomes have them piling up the miles. Like "borderline 350" used to say, "no hencho stuff". ![]() The motor heads I have talked to make a big deal about what era the 454 is from. ![]()
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