block

Just bought this SRV 240 last week. Trying to get some new parts for it but I'm having a tough time identifying the exact make and model of the engine and drive to get the right parts. Here are some pics:

Hi. I have a 275 Sundancer from 1999 with a Mercruiser 7.4L that has been salt water cooled. I am presuming the corrosion is soon tearing the block apart and am looking at replacing the block. Can I replace the 454 block with a 496 or other and use the same components or will the components not...

Hi. Looking to purchase a 2000 560 Sedan with 3406 CAT's. My reasearch shows these to be pretty reliable motors with no significant issues. My question has to do with block heaters. I had them in my last boat (98' 500 DA) and I had to use them any time the temp dropped below about 70F...