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-   -   Cavitation problem 1990 290 enticer??? (https://www.offshoreonly.com/forums/powerquest/263842-cavitation-problem-1990-290-enticer.html)

290enticer 10-15-2011 08:27 PM

I did talk to brett at bblades, we did talk about drive showers...he instructed me to cut/shorten the pick-ups under the cav plate. Mine are like 1"- 1 1/4" long, he said they shouldn't be no longer than 1/2" long. I cut them down yesterday and we are gonna take her out 2morrow and see if this makes a difference, if not, im gonna see what engine is doing it the most, exact w.o.t. speed and send him the props to have reworked. He talked about doing some things to increase top speed and w.o.t. with adjusting cup on blades...we'll see what happens?

290enticer 10-15-2011 08:31 PM

Good point, never really thought about pickup placement, I looked at mine and found the starboard is on the upstroke of prop, the port is mounted on the DOWN stroke of the prop????? I have the solid line cooler that follows the contour of the drive, if i put it on the other side, the bend at the top will be the wrong way??? Im gonna pay close attention to this, I may have just found the culprit!! I will post results..

boatnt 10-16-2011 09:46 AM


Originally Posted by 290enticer (Post 3528283)
Good point, never really thought about pickup placement, I looked at mine and found the starboard is on the upstroke of prop, the port is mounted on the DOWN stroke of the prop????? I have the solid line cooler that follows the contour of the drive, if i put it on the other side, the bend at the top will be the wrong way??? Im gonna pay close attention to this, I may have just found the culprit!! I will post results..

I bet thats your issue...just remove the driver shower and try it...dont worry about the hole on the cavatation plate it wont make any difference..

290enticer 10-16-2011 08:04 PM

im gonna modify the ss tube and install it on the correct side of the plate....I still need a drive shower.


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