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440 ENGINE HP #841828
10/30/10 03:00 AM
10/30/10 03:00 AM
Joined: Aug 2009
Posts: 324
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roy2345 Offline OP
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roy2345  Offline OP
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I have a 1970 440 engine bored .030 over with a Lunati 60302 cam. Lunati Voodoo 60302 262/268 adv duration .475/.494 lift 220/226 duration@.05 112 deg lobe separation.

Holley 750 dual line vaccum secondary carb. HP manifolds. 906 Heads thats had a 3 angle valve job. Electronic ignition. What kind of horse power you guess it might be putting out? It was originally a non HP 440 engine out of a CHRYSLER NEW YORKER. I was told back then it would have been 350 HP rating. With what Ive done to it. Is it in 400-425 hp range now?

Re: 440 ENGINE HP [Re: roy2345] #841829
10/30/10 04:02 AM
10/30/10 04:02 AM
Joined: May 2008
Posts: 5,399
Aurora, Colorado
451Mopar Offline
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451Mopar  Offline
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It sounds like it should be able to make 400-425 with what you have depending on state of tune?

Re: 440 ENGINE HP [Re: roy2345] #841830
10/30/10 02:38 PM
10/30/10 02:38 PM
Joined: Nov 2006
Posts: 1,460
oklahoma
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forphorty Offline
pro stock
forphorty  Offline
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oklahoma
Possible but I doubt it. http://www.moparmusclemagazine.com/techarticles/mopp_0104_buildup_1969_440_magnum_engine/index.html Keep in mind that the dyno engine has no fan, no alternator, no air cleaner, open exhaust and the horsepower is "corrected" to a specific temperature. The operators are very experienced and have the tools at their disposal to tell them what the engine needs. Also the test was performed at the Westech dyno , rumored to be "happy'. Don't get too hung up on dyno hp numbers. A true 375 hp in a 3500 lb car will get you in the 12s.

Re: 440 ENGINE HP [Re: 451Mopar] #841831
10/30/10 09:58 PM
10/30/10 09:58 PM
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Posts: 324
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roy2345 Offline OP
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Ok that's good news to me







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