Need Prop Advise
#1
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Need Prop Advise
MY '94 290 ENTICER IS RUNNING A TOP END AT 76 MPH. WITH 502 MAG'S AND 23" MIRAGE PROPS AT 4900 RPM'S. IF I WENT TO LARGER PROPS COULD I GET A FASTER TOP END? I WOULD REALLY LOVE TO GET HER UP TO 80 MPH. ANY INFORMATION WOULD BE GREATLY APPRECIATED.
THANKS
WES
THANKS
WES
#2
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Wes,
Something doesn't add up here. I assume are running 1.5 gears and with 23" props at 4900 rpm, your maximum speed would be 71 mpg with 0% prop slip. You should have somewhere in the 10% - 20% prop slippage range. If you have 1.36 gears, your max spped would be 78 mph with 0% prop slippage. It sounds like you have one of them BAJA or Checkmate speedos in your boat.
It looks like you are propped about right if you are running 4900.
Good luck hitting 80.
Something doesn't add up here. I assume are running 1.5 gears and with 23" props at 4900 rpm, your maximum speed would be 71 mpg with 0% prop slip. You should have somewhere in the 10% - 20% prop slippage range. If you have 1.36 gears, your max spped would be 78 mph with 0% prop slippage. It sounds like you have one of them BAJA or Checkmate speedos in your boat.
It looks like you are propped about right if you are running 4900.
Good luck hitting 80.
#5
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If your rev limiters are 5000 - 5100, I would try a pair of 25 labs. You should really do your comparison with a GPS and same day weather condition.
#7
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wes
25 pitch props will be alot slower out of the hole, working the 23 pitch props will pickup the speed maintaing the holeshot ,reduce any cavation and midrage accleration will be improved.
Last edited by HOUSTONPROP; 10-17-2002 at 06:02 AM.