Raw water cooling

The 1UZFE EGR Delete Kit is available for sale here.

danielwrich

New Member
I have an inboard ski boat that I'm setting up with a 1uz running a soft clutch setup and will be running in fresh water, I want to run a raw cooling system that picks the water up from pickups in the hull and runs it through the block.
My question is should I remove the water pump turbine and leave pulley, or run it as well as a external pump to supply water pressure to the block
 
Given the role of the waterpump in the cam drive I'd be inclined to leave it stock, in other words I'd be afraid to modify it in case it failed.

I know the valves are safe but still a royal pain if it fails.
 
Given the role of the waterpump in the cam drive I'd be inclined to leave it stock, in other words I'd be afraid to modify it in case it failed.

I know the valves are safe but still a royal pain if it fails.
Ah okay I see I think I'm going to run a belt driven pump to supply water to the block and see wjat factory pump does
 


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