165 cylinder head
Okay gang, I just joined the group today and am posting my first question.
Just bought my first boat. 74 V20 with 165 engine. Seller said all was good so I gave him $1000.00 for the entire package. Connected the water hose and proceeded to fill the oil crankcase with water in under a minute of running. Okay motor is scrap. Well I can be rather resourseful when it comes to finding another engine. I didn't have to look far. The old Massey Ferguson Combine had the exact same 165 GM engine in it. So, now it is in the boat. She runs great! Loads of power and seems to have decent speed. No complaints at all. Just wondering if I should have swapped the original cylinder head to this engine. Can anyone tell me if the Mercruiser head had better performance than the the one from the combine?....Okay you can all quit laughing now. Just wondering if valve sizes were different.
Boat has been running at 4000 RPM and mantaining a 150-160 degree tempeature.
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