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have blue hull,blue stripes on each side of the deck and aft, engine with Volvo 250 I/O drive. The boat is not very pretty at first, but the hull is in really good condition for age without any cracks or scratches etc. The deck needs a bit of attention but are not to bad. I was told that the engine was a 350 chevy but I got a red CC manual saying 307QLV. It took a while before I could identify this "chevy" engine because of its mounting backwards in the boat. The block cast nr is 3970010 whitch means 327 or 350 according to the lists?????????
I was also told that the engine was bored and had ported heads putting out 275 HP. The engine has orange painted heads with modern Barr exhausts and risers mounted instead of the CC style - can these exhausts be mounted on the original heads?
There are lot of possibilities here - the block may be changed, the heads can be newer ones etc. The distributer is marked J1171 Marine and have upright cables instead of the "flat" head variant and there is also a mercruiser electronic ignition mounted.
The engine starts easely, runs fine at idle speed ( on shore in my garden where it will be for maybe two yers)oil lookes fine and have a minor leak in the water circulation pump. Is this pump standard or special cc? It is LH rotation according to CC manuals which means RH (opposite) compare to std chevy motors.
I am thinking of change the motor to a newer (but used) standard chevy 350 mounted "the right way" for more reliability, easier spares,
fueleconomy,(in that order)
is it bad of me to put a non cc modern engine in - should I go for overhauling the original one whitch is not complete original after all?
How long can you trust this motorblock will last because of corrosion? (no fresh water cooling)