Donzi Z21 What Prop??
#1
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Donzi Z21 What Prop??
Hi,
My brother is buying a 1990 Donzi Z21 with a 454 (non-magnum) with a bravo drive, and exhause out the side through mufflers. Currently its has a 23 Cleaver and runs like crap.
The marina changed the proip with a Vengance & a 23 Mirage (I was not there and do not know if it was a plus or not) And they got 57 + 59 MPH on GPS Don't know the RPM's either
What props would you suggest we try?
Anybody have any idea's of what kind of speed we should get out of this boat?
Thanks in advance
My brother is buying a 1990 Donzi Z21 with a 454 (non-magnum) with a bravo drive, and exhause out the side through mufflers. Currently its has a 23 Cleaver and runs like crap.
The marina changed the proip with a Vengance & a 23 Mirage (I was not there and do not know if it was a plus or not) And they got 57 + 59 MPH on GPS Don't know the RPM's either
What props would you suggest we try?
Anybody have any idea's of what kind of speed we should get out of this boat?
Thanks in advance
#2
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Get a hold of Darin at [email protected] Email him all the info you have on the boat, he can hook you up. Later 88
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Donzi prop
Originally posted by 88 MACH 1
Get a hold of Darin at [email protected] Email him all the info you have on the boat, he can hook you up. Later 88
Get a hold of Darin at [email protected] Email him all the info you have on the boat, he can hook you up. Later 88
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If you have a 23" Mirage and you are getting 59 mph gps out of a 330/Bravo thats about it. RPM of the motor should be around 4800. I had an 88 with the same engine combo and that was about it may be low 60 if everthing was perfect.