80 glasply 21'

[deckmonkey]

how much horse power can I switch up to?
it has a 3.8 in it,, I plan on heavy loads,, extended runs,,need power and economy, plan on using a mercruiser.
Thank you

 

[Bondo]

Re: 80 glasply 21'

Ayuh,... Sounds like you want a 4.3l...