hello iboats long time. well i am looking to perchase a sea ray with a volvo penta 7.4G v 8 engine the seller said the engine was install two years ago. it is a 1988 searar 26 foot sundance hull seems to be in great shape, boat is still in the water try to start it but the batterys was low . the seller stated it runs great. so i am familuar with mercruiser engines, but not volvo penta . whish one is the better ? what drive sopose to be on the boat volvo or alpha s ? thanks