When the first etec's came out, from the Johnny/Rude era they had power head issues. They were all corrected by the second generation of motor around 2007. I have not heard anything but good things about them after that.New to this site so far it rocks....any info on Etec 90hp
X2For best use of a true tunnel hull a powered jackplate is needed.
Also a water pressure gauge is needed to verify coolant flow.
At rest with no one in the boat, the water inlet should be
just below water level. After jumping on plane, the engine is lifted up
until it begins to ventilate or lose cooling water pressure, then bumped down
until the prop regains bite and the water pressure is back in the green.