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CONTEST:Guess my Engine Dyno HP & WIN an Engine Alignment Tool

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Old 05-09-2010, 09:57 AM
  #31
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Old 05-09-2010, 10:07 AM
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711 hp
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Old 05-09-2010, 10:25 AM
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Old 05-09-2010, 10:40 AM
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Just a bit more info on the build: We did bowl pocket porting on the cylinder heads only. NO port matching on intake or heads. Camshaft is installed on 104.5 in take center line and 112 lobe separation . 10.0:1 compression Holley 850 double pumper not modified. USing stock Mercury Thunderbolt ignition. I see alot of good guesses out there! .... By the way we are step testing this engines to 6000 RPM

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Old 05-09-2010, 10:44 AM
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580hp @6,000 with 2 % correction factor
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Old 05-09-2010, 11:38 AM
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678hp @ around 5400rpms
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Old 05-09-2010, 06:35 PM
  #37
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610 Hp
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Old 05-09-2010, 07:04 PM
  #38
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690 Hp
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Old 05-09-2010, 07:36 PM
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Old 05-09-2010, 10:13 PM
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644 hp Why is the cam advanced 7 1/2 degree, is this a ski boat engine ?

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