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  1. RustyNCA

    Prop Advice for our 28" Tunnel

    Boat is a 91 8.4 Canyon Silhouette, so it's a 28" tunnel weighs around 3,800 Power is a 502 with a Bravo 1 od. 502 is silent choice exhaust with an unknown aftermarket cam. Factory specd HP is 450. I've tried the following props. 15p Revolution 4, motor would over rev way over 5k if I let...
  2. RustyNCA

    Dimension measurement of the MerCruiser 5.7 thermostat housing?

    My boat does not have the factory style MerCruiser housing. I have been trying to find the dimensions of the factory style housing or an affordable housing. I'd hate to purchase a $200 housing only to discover it won't clear for my application I am working on. I need to know the height from...
  3. RustyNCA

    The typical buying a boat, OMC Cobra question.

    First I have done reading, searching, etc. and am still not satisfied. I am looking at an 88 Day Cruiser with a 350 Chevy, OMC Cobra setup. vs an 88 Day Cruiser with a 454 Chevy, Bravo 1 setup. The 350 has a full fresh rebuild, new valve job, etc. Word is the drive was fully serviced last...
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