454 mpi 385 horse how much horsepower can one make
I have two 454 mpi 385 horse and am wondering how much horse power can these create with a cam change some gil manifolds (dry to the tips) fuel regulator and reprograming the computer. Thanks for any ideas. Eric
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At best with the OEM intake plenum on that model about 500hp without a supercharger. That is pending you pick the right cam, exhaust compression ration, head work and ECM calibration. ;) Jamie / Lakeside
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Thanks for the info lakeside thats kindof what I thought but. Eric
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No problem.. :) J
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Fixx
a friend on donzi.net just freshened his with the stock cam and a procharger...on the dyno @ 4400 rpms it showed 560 hp and 640 ft lbs of tq..he couldnt go past 5 k because the guy that programed the ecm didnt turn up the rev limiter so it put the labosch on that dtno pull..their is still more hp left in the engine..
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Originally Posted by mrfixxall
(Post 3310216)
a friend on donzi.net just freshened his with the stock cam and a procharger...on the dyno @ 4400 rpms it showed 560 hp and 640 ft lbs of tq..he couldnt go past 5 k because the guy that programed the ecm didnt turn up the rev limiter so it put the labosch on that dtno pull..their is still more hp left in the engine..
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I believe 550/525 (or close) is what Tyler Crockett claims in his 502/454 MAG MPI upgrade package. More can be had with better heads & intake work.
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