Offshoreonly.com
Page 2 of 2
1
2
Show 40 post(s) from this thread on one page

Offshoreonly.com (https://www.offshoreonly.com/forums/)
-   General Boating Discussion (https://www.offshoreonly.com/forums/general-boating-discussion-51/)
-   -   454 425hp crate motor (https://www.offshoreonly.com/forums/general-boating-discussion/239269-454-425hp-crate-motor.html)

GTOFFSHORE 09-23-2010 09:02 PM
Originally Posted by bigboat28 (Post 3215690)
How much hp would I get with a 250 and 5lbs of boost?
Over 500hp and plus tons of torque!

RunninHotRacing163.1 09-23-2010 09:10 PM
Originally Posted by bigboat28 (Post 3215690)
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 :drink:

verbi69 10-09-2010 07:00 PM
Where do you get these 454 420 hp marine motors???
What would the dock manners be like putting on one of these blowers???

pantera232 05-31-2012 02:17 PM
Damn down size ur props and turn them at 5000 you'll prob gain

TexomaPowerboater 05-31-2012 02:28 PM
Originally Posted by bigboat28 (Post 3215690)
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.


All times are GMT -5. The time now is 10:51 PM.
Page 2 of 2
1
2
Show 40 post(s) from this thread on one page


Copyright © 2026 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.