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View Full Version : fastest stock headed 7.4 donzi ???



Donzi_Dude
04-20-2011, 05:40 AM
just curios what others have been able to do with one or any you know about that are legit?

Donzi_Dude
04-23-2011, 06:50 AM
nobody ever seen a 7.4 donzi run good huh?

how about a 7.4 anything?



:pimp:

mrfixxall
04-23-2011, 11:39 AM
Chrome gorilla's 454 385 hp boat has a procharger and a shorty,,runs around 90 mph..

Donzi_Dude
04-23-2011, 12:40 PM
that sounds mighty fine but im more interested in boats running peanut port heads without power adders.

would like to hear about the forced induction as well if other are willing to tell. superchargers are cool but a 7.4 shortblock has considerable limits.

Carl C
04-23-2011, 12:49 PM
Chrome gorilla's 454 385 hp boat has a procharger and a shorty,,runs around 90 mph..

He doesn't have the 496 boat anymore?

mrfixxall
04-23-2011, 03:50 PM
He doesn't have the 496 boat anymore?


my bad,,,i ment catch 22..

Donzi_Dude
04-26-2011, 10:22 PM
so maybe nobody has run over 60 with a 330?

im thinking 70 has been done but maybe not.

Donzi_Dude
04-30-2011, 03:05 PM
anybody making 500 horsepower?

:shades:

oledawg
04-30-2011, 04:37 PM
No way to really know, but the engine builder that put together my 454 says approximately 490-500 hp. Still in the 20 hour break-in period but at 4,000 rpm it is doing 70 gps with a 25P Mirage Plus which likely will not push much past 5,000 rpm WOT.

Donzi_Dude
04-30-2011, 05:40 PM
oh there is a way to know.

the water is the best dyno in the world.

:wink:


sounds mighty fine by the way!

Donzi_Dude
05-04-2011, 06:04 PM
the engine builder that put together my 454 says approximately 490-500 hp.


sounds as if the engine has been upgraded-rebuilt/ported but im really just guessing not knowing what you have done.

bzsmarina
05-07-2011, 11:04 AM
is 95 out of the question?