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Topics - billandlori

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Jet Pumps / Berkeley Nozzle O RIng
« on: August 24, 2019, 05:08:13 PM »
Hi guys,

I have my pump apart fixing the blown out bowl gasket and I noticed that the nozzle does not have an O ring where it goes into the bowl. It is a 1972 Berkeley 12JC-A, was the O ring an added feature later in production?


Engine Mechanical / Electrical / 455 Low RPM
« on: August 16, 2019, 09:47:58 AM »
Hey folks,

Our '72 Sea Ray has a 455 with a Berkeley 12JC-A and it tops out at only 3,600 rpm.

We purchased the boat from an estate sale so we don't know too much about it. The engine was built in the mid 90's. It runs smooth and sounds good. No missing or pings. The pump is clear of any debris. It has a Quadrajet that is opening fully, compression test is good. MSD 6AL with a 5000 chip in it.

Any thoughts on where my HP went????


Jet Pumps / Taking on Water at WOT
« on: July 29, 2019, 08:21:50 PM »
Good day folks, new guy here from Canada.

I have recently picked up a 1972 Sea Ray SRV 190 with a 455 / 12JC - A.

When running around at low rpm the bilge stays dry but after a higher speed run, it has a fair bit of water in the hull. It takes a minute or two for the pump to get rid of it.

Would this be the bowl gasket leaking? Everything else under pressure in the jet is outside the hull.

Thanks in advance for any suggestions!!


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