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Does anyone have experience with filling up the primary fuel filter with ATF fluid when changing the cartridge? For what ever reason I'm thinking that it cleans the injectors or has this been discussed ad nausium already? Ben

The more I read the more I wonder if we are getting the most out of Daybreak. The bottom gets cleaned once a month. The 903's run great, some smoke buy not too bad, but we are only getting 12-14 knots at 80% WOT. If that's it then its ok, just seems slow, but then again the 903's are only...

It's that time of year again and wouldn't you know it Daybreak has an expensive taste to satisfy. Last year it was a heat exchanger and new water pump, this year its a new exaust manifold. So Santa, I'm looking for an exaust manifold for a Cummins 903 under the tree and some advise on the...

Just finished up detailing up the lazarette and found the PO must have had a fighting chair or some other equipment that has long since been removed. The remains include a block of wood encased with fiberglass blocking the normal flow of water from the engine room to the stern and back. The...

My '74 Cummins 903s are taking 840 and 870 amps to start. Wouldn't be that big of a deal unless you were out 50 miles from San Diego fishing and your acting captain thought that it would be a good idea to shut them down while on a paddy. She starts great at the slip every time, but when she...

It appears that Daybreak may have a center fuel tank. I've got two tanks aft 200 gallons each. I noticed in the engine room that the fuel lines had a shut off valve for ghost lines running forward. After some inspection there appars to be a tank forward of the water and black tanks. Has...

Daybreak is sick. Turns out that I've got a wobble in the prop shaft. So far the diver has confirmed that the prop and cutlass are in good shape. Mechanic from marine drive shop inspected the shaft and says that I've got about an eighth of an inch run out. At first he thought the shaft was...

The port heat exchanger for my 42 C is toast and I cant find a replacement. Anyone out there have experience finding parts for this 1974 model Cummins 903 NT engine? Part number 217006.