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Why so much for marine motors?

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Old 07-26-2004, 06:53 PM
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Default Re: Why so much for marine motors?

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Originally Posted by phughes69
What gives with marine motors. I could build this same motor and have the machine work done
It is good to be able to help yourself.
Here is a 522 ci BBC supercharged I assembled 8 years ago and it still performs well till this day.
Oliver billet rods, JE pistons, AFR prepared Merlin heads and so on. Nice parts, great machine work, carefully assembled in a shop where time is not a problem.

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Old 07-26-2004, 07:09 PM
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Default Re: Why so much for marine motors?

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Originally Posted by CigaretteFirefox
It is good to be able to help yourself.
Here is a 522 ci BBC supercharged I assembled 8 years ago and it still performs well till this day. Hank the crank billet crankshaft, Oliver billet rods, JE pistons, AFR prepared Merlin heads and so on. Nice parts, great machine work, carefully assembled in a shop where time is not a problem.
Did you dyno the engine?
Just curious as I'm thinkin' about going 522 route with 420's,
Maybe Crane 651 cam.
Already have 502 with 588 HP NA.
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Old 07-26-2004, 07:20 PM
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Default Re: Why so much for marine motors?

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Originally Posted by StrikinLightnin
Did you dyno the engine?
Just curious as I'm thinkin' about going 522 route with 420's,
Maybe Crane 651 cam.
Already have 502 with 588 HP NA.
No, The engine was not qualified on a dyno.
It did however boost performance from 61 mph stock, 420 hp trs drive.
To 82 mph, Huber trans, Mercruiser #3 Speedmaster. Checked with the same Stalker Pro radar gun.
The performance increase combined with the durability of this engine has been an ongoing pleasure to this day
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