Ilmor 625 or Merc 600SCI
07-20-2007, 08:51 PM
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Ilmor 625 or Merc 600SCI
building a Domn8er 25' deck boat and am considering either the Ilmor 625 or the Merc 600SCI motor. I like the Ilmor as it is different but what really matters is the performane. Which motor would you recomend and why?
07-21-2007, 01:14 PM
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do you have anybody close thats qualified and or knows how to work on either?
Not just some socalled merc trained mech that all he knows is how to hook up a DDT
Not just some socalled merc trained mech that all he knows is how to hook up a DDT
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The Only Time You Have To Much Ammo Is When Your Swimming Or On Fire.
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The Only Time You Have To Much Ammo Is When Your Swimming Or On Fire.
07-21-2007, 05:20 PM
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speedboat mag did a test comparing the two motors in an OL. They both hit the same mph, with the merc only a small bit faster. In the end the merc was chosen b/c the smartcraft system, service network, etc. Pick the one that you like best and have fun.
07-21-2007, 07:21 PM
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07-23-2007, 11:13 PM
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07-24-2007, 08:28 AM
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I would go with the ilmor, not that I have any experience with either. The ilmor is NA with the merc supercharged, right? That's one more thing to fail on the merc. Keep in mind, with a blower, if the engine is making 600 at the crank, all the internals are working as hard as if it were NA and making 650-700 hp. It takes a lot of power to drive a blower.
