454 425hp crate motor

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09-23-2010, 09:02 PM

#11

GTOFFSHORE

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Quote:

Originally Posted by bigboat28

How much hp would I get with a 250 and 5lbs of boost?

Over 500hp and plus tons of torque!

09-23-2010, 09:10 PM

#12

RunninHotRacing163.1

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Quote:

Originally Posted by bigboat28

How much hp would I get with a 250 and 5lbs of boost?

496 rotating assembly with a 177 & 5 lbs boost = 600 Hp and some change ,good luck

10-09-2010, 07:00 PM

#13

verbi69

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Where do you get these 454 420 hp marine motors???
What would the dock manners be like putting on one of these blowers???

05-31-2012, 02:17 PM

#14

pantera232

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Damn down size ur props and turn them at 5000 you'll prob gain

05-31-2012, 02:28 PM

#15

TexomaPowerboater

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Quote:

Originally Posted by bigboat28

How much hp would I get with a 250 and 5lbs of boost?

Isn't that pretty much what a 525SC is?

I bought some 502 "450hp" HO crate motors..........when they say 450hp they mean 450hp with the right set of accessories...........maybe. Mine dynoe'd closer to 418hp with a 850 holley.

Last edited by TexomaPowerboater; 05-31-2012 at 02:38 PM.

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