JF pump cavatating

« **on:** June 24, 2018, 04:25:21 PM »

I just had my motor rebuild and added some power it’s a full roller460 punched 60 over with dove heads. The problem is my stock JF pump cavatats now on take off the pump has very few hours on it and has a A impeller. Any suggestions or answers will help. Thanks

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« **Reply #1 on:** June 24, 2018, 07:13:21 PM »

Prob should have it rebuilt. Just had mine done at D1performance Dane Fetherhoff.

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« **Reply #2 on:** June 24, 2018, 08:12:18 PM »

How big is your boat

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« **Reply #3 on:** June 25, 2018, 05:40:32 AM »

Quote from: MillerKiller510 on June 24, 2018, 08:12:18 PM

How big is your boat

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It is a 21 mini day cruiser

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« **Reply #4 on:** June 25, 2018, 05:41:06 AM »

Quote from: knotonduty on June 24, 2018, 07:13:21 PM

Prob should have it rebuilt. Just had mine done at D1performance Dane Fetherhoff.

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I had it rebuilt a couple summers ago

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« **Reply #5 on:** June 27, 2018, 08:11:43 AM »

Just one rock ding can cause it to cavatate.
Let alone weeds, fishing line, ski rope, etc.

Once I had a grape sized rock stuck between the vanes of the impeller, that cavatated like a bitch, and the pump was weeks old.

Pull the pump apart and take a look.

Dan'l

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JF pump cavatating

knotonduty

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MillerKiller510

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mash on it

Re: JF pump cavatating