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mercruiser 454 450hp?

Old 11-27-2005, 06:41 PM
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Default Re: mercruiser 454 450hp?

Originally Posted by jhoward
any idea on spec's?
That i dont know off the top of my head.I could find out though
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Old 11-27-2005, 06:49 PM
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Default Re: mercruiser 454 450hp?

that would be great! I know these engines where part of the hi-performance series.They also where painted that hi-performance blue.
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Old 11-27-2005, 08:05 PM
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Default Re: mercruiser 454 450hp?

hp 450 specs------Gen V block

8.8 Comp ratio
cam= hyd roller .576/.598 lift, 284/292 duration
timing=18*base/38* total
wot range 4800-5200rpms
Dart single plane intake
holley 800cfm carb-- jetting pri/port-81, pri/starb-75, sec/port-89, sec/ starb-93, 6.5 front PV, no PV in rear.

This is all according to what is listed in my merc manual. Its pretty much an hp500 with a 454 block.
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Old 11-27-2005, 08:24 PM
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Default Re: mercruiser 454 450hp?

thanks for the help!
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Old 11-27-2005, 08:29 PM
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Default Re: mercruiser 454 450hp?

I had a pair. Add worked Merlin heads, 741 cam and dry exhaust and look out. Good runner.
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