meatball185
New member
hey all i was wondering what i should expect for top speed out of my 185 its an 06 with a 175 opti. i dont have a gps speedo but the factory merc speedo i heard isnt that far off.
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pulsare 185 top speed
- Thread starter meatball185
- Start date
WIcheckmate
Member
low sixties depending on the prop
meatball185
New member
i dont know how accurate the pitot pick up speedometer i have is but last year the fastest i had it was 70 then the pitot line blew off the speedo
WIcheckmate
Member
r u running a jackplate with it? what kind of prop do you have on their? if its not gps then your speedo isn't going to be to accurate at top speeds
meatball185
New member
im running a detwiller hydraulic jack plate with a six inch set back. im also turn a 14x22 ventilated prop which i set to have thinned lab finshed and tweeked a little more
WIcheckmate
Member
u must be turning alot of rpms? is how many blades is that prop.. i have 8" of setback on mine with a 175 merc efi.. and am running a 25 pitch tempest 3 blade.
meatball185
New member
im running a 22 pitch four blade turning 5700
JUPITER PULSARE
Well-known member
What kind of 4-blade are you running?? The Trophy Plus will give you the best performance.
meatball185
New member
im running a worked powertech that has been lab finished
daren34
Member
i would say you are at 53 to 55
prop calc figures with 10 percent slip(normal)
this does not figure in lab finished 4-blade props but should be in the ballpark
the only way to know for sure is to take a gps out with you
you might be able to spin a 3-blade faster but they don't handle as well
better on race day though
if you like the hole shot of the four blade keep it and find a 3-blade laserII for top speed
some people like a tempest 3-blade but get more chine walk
good luck hope this answers your question
daren
http://www.rbbi.com/folders/prop/propcalc.htm
prop calc figures with 10 percent slip(normal)
this does not figure in lab finished 4-blade props but should be in the ballpark
the only way to know for sure is to take a gps out with you
you might be able to spin a 3-blade faster but they don't handle as well
better on race day though
if you like the hole shot of the four blade keep it and find a 3-blade laserII for top speed
some people like a tempest 3-blade but get more chine walk
good luck hope this answers your question
daren
http://www.rbbi.com/folders/prop/propcalc.htm
supergenius74
Member
not to burst your bubble but i have always found any spedo over 50 is off quite a bit. Maybe those expensive dual ski boat ones are better but GPS or radar is the way to go.
meatball185
New member
i didnt have all the faith in the world in my speedo i just wanted to describe what i had and see what others opinions were
C-mate 280
Member
My pulse 186 running a 175 Merc with a stock factory speedo read 83 mph but when a cop used a radar gun I was going 67. Boy was that deflating! The next winter I installed a gps unit. I did get that rig to hit 70 with a jack plate, nose cone, exhaust tuner and the timing slightly advanced. I used a 23 inch ballistic prop after trying a trophy and tempest at the same 23 inch pitch.