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-   -   Hp525. What would u do (https://www.offshoreonly.com/forums/general-q/375457-hp525-what-would-u-do.html)

F-2 Speedy 04-20-2022 12:11 PM
Originally Posted by snapmorgan (Post 4829402)
Probably easier to drill and tap the heads to the conventional bolt pattern
Id agree after I drilled a set of header flanges...........iirc 4 holes line up and 4 dont, I think its the bottom 4 that don't,

nocigarette 04-21-2022 11:35 AM
Originally Posted by hogie roll (Post 4829458)
Dont fuk up those headers to fit those outdated heads. Buy brodix 298 RR or AFR 300 heads, run an edelbrock dual plane. Should make lots of torque and more power than a normal 525.
3700 a pair for heads plus carbs. 10 k on top of 525. That’s insane. I would just buy a set of used blowers and carb set ups. Gotta be a easier and less expensive way.


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