What is the difference between a Volvo Penta v8 aq231a engine and a Chevy 305 small block?

I need to know the exact difference between the vp v8 and the chevy small block and if possible the reason.|||What you have is a marinized GM V8.


When they build them for the marine application they install brass freeze plugs instaed of steel which will rust out with time. The camshaft is marine because it runs in a differant RPM range than automotive and the valve springs are heavier.


The starter and alternator have a spark shield in them to prevent any explosion or fire with a spark created in the bilge area . The fuel pump is also differant in that it has a fitting for a tygon hose which runs up to the carb so if the daiphragm in the pump breaks the fuel is passed to the carb to be used. In a automotive pump there is a weep hole which would leak gas into the bilge. Basically thats it|||The chev small block 305 5 litre has a hp range of about 135 hp to about 250 hp. all depends on how it is configured.


The volvo AQ231A uses the same 305 5 litre motor and is configured to produce231 hp , hence AQ231 , plus the AQ motor is marinized to cope with salt water cooling.|||Just the make of the motor. I know the volvo uses an actual radiator, like a car. I assume you are talking about a bayliner, I have one myself and I love it.