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I'm looking for some comments on ETEC mounting height. I got a 1988 Montauk 17 this year. The ETEC 90 has a Viper with 15" pitch. It is mounted with 1 hole showing above the top mounting bolts.
I get about 35MPH at about 5300RPM WOT on the ICON guages.
It appears the recommended mounting here is 3 holes showing above the bolt.
It seems to run pretty good as / is (there were 5 adults on board Sunday and it got right up on plane and ran great) and I was wondering if it is worth messing with. There is something between the motor and transom that looks like 4200 or something similar.
I don't know that I'll ever run more than about 4000 RPM anyhow.