I have a 2002 Donzi 33 zx with a pair of Hp500 Efi's,... looking to maybe putting whipple superchargers on them,... what else can be done to them if you dont want to spend the $$$ for the whipple's????? any ideas??
thanks
Arve
![]() |
I have a 2002 Donzi 33 zx with a pair of Hp500 Efi's,... looking to maybe putting whipple superchargers on them,... what else can be done to them if you dont want to spend the $$$ for the whipple's????? any ideas??
thanks
Arve
Thow out your GPS speedo, and install a pitot tube speedo. You will go at least 10mph faster.![]()
Active Thunder Boats . com
How many hours on your motors now?
I just went thru the same thing .The Whipple will cost a little more in the end . Some I have seen did the 540ci kit and some even change to alum heads .I think there only getting 600-630hp
ck out my engine thread .I am in the middle of it now.
Hustler 500efi engine tear down & Build Up
You can do a search on 500efi and there are some other threads on build up also.