off shore cooling verses drive cooling
#1
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off shore cooling verses drive cooling
I am having a 502 mpi built w/ an upgraded cam and Cmi high top headers but basically stock. I have recently had the water line and fitting replaced in the transom assy, corrosion was clogging it off, new sea water pump and new circ pump. The builder says he will not warranty it unless I get an off shore cooling setup. I understand the 502's do not have cooling between the cylinders but is this overkill. He is also going to drill a 1/2 hole in the stat housing to provide cool water directly to the circ pump. If I go w/ off shore will I # 1: loose speed due to the pickup. 2: need to buy a strainer. 3: Increase chance of picking up a bag or other garbage and clog my intake. 4: will I do damage to the drive if I block off the cooling water, do I need to drill a hole in the jacket to keep water flowing. 27' Powerquest, should run upper 60's hoping for 70 at 5100 rpm 25" mirage. Looking for any knowledgeable comments.
#4
I don't think its necessary to add anything to the system if you put the new hose in the gimbal it should be good. If you do put a pickup on the bock of the boat don't put it directly in front of the propeller. And you will want to cut the hose in the gimbal to help cool the drive.
#8
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I'm thinking / hoping there is a translation issue between builder and customer.