Scarab P-29 Installing 383 Mags Topspeed?

[Check 253]

I thinking about putiing a set of new 383 Mags (350Hp) in the P-29. Im still running the Blackhawk drives. Has anybody done this? What can I expect for Top speed?

[fastp29]

hey check, i would think you could gain 2-3 mph over the 350 mags.have you checked out the where are the p-29's thread. it's on the 2nd page.is your boat on the list, if not what hull # do you have.

[Check 253]

Thanks. It looks like the 350's are staying in. I have Hull #7