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Vegas/Mariner 200 Followup Hey
Randy, Thanks
for the info last time. I have an 84 Vegas with a Mariner 200.
The only mods it has are Boyesen reeds and velocity stacks. I am
currently running a 28p chopper around 1.75 inches below the pad on a
slidemaster jackplate with about 6 inches set back. Water pressure
is around 20-25 psi. Top speed so far by gps is 77 mph (74 and above
I have to start working with the chine walk a little more than I would
like). Tach is showing about 5900-6000 rpm. According to some
local boaters in my area it is set right so I think it is fairly accurate.
I am planning to add solid motor mounts next. First question is what
would you suggest the max rpm to run this motor without any other mods.
The oil injection is removed. Second, I am replacing my electric
trim indicator with a mechanical one and was wondering what other
instrument I should add (water temp, exhaust gas temp, etc?).
Lastly, it seems I am finally going in the right direction with my setup,
but from what I have read speeds over 80 can be safely obtained
with this boat. Any information on what to try next would be
appreciated. Nicholas Nicholas, You
are definitely on the right track. Add the solid mounts and you'll break
80 the way you are. Give yourself a pat on the back for going 75plus with
rubber mounts! The boat will be hugely easier to drive with the solid
ones. You should master the chinewalk with the mounts. The speed will come
with that. You can turn it 6500ish without worry, not any power to be had
after that. Besides a tach and speedo, a water pressure gauge is the only
other necessity. A pyro is fine if you know the number it burns down at.
You'll have to do it once to know as they all are a little different. Try
the mounts and see where that takes you.
Please submit whatever questions you have to IHRTechTalk@yahoo.com. All questions and answers selected will be displayed on this page as they come in. Note: though all boaters are welcome, priority may be given to I.H.R. members. Randy can not be held responsible for any advice given. Though his information and expertise is second to none, he has no control over what you do with your boat. It is up to you to boat safely and act responsibly, and his advice is only to be used as a guidance for your high performance boat/motor of which you are the one responsible for the risks involved. Thanks,
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