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upgrading to a 383 stroker

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  • #31
    I thought the propshaft horsepower was only for outboard motors. So all these long block 5.7 vortecs that all say 315hp actually have less horespower than my non vortec aq271c?

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    • #32
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      yes, about 5-10hp less. 315hp at the crank is for a 260hp installation.
      Cheesehead boating the Gulf Coast of FLA 27.51° N, 82.53° W

      1988 Cruisers Rogue 2420 -VP 290 DP now powered by custom 468 - https://forums.iboats.com/forum/owner...988-rogue-2420

      Past Boats
      1970 Wooster Hellion - Merc 9.8
      2002 SeaRay 190BR - 5.0 - A1G2 - "Cheeseheads in Paradise"
      1984 Avanti 170DLI -3.0 stringer- "Ship Happens"

      What’s behind you doesn’t matter.Enzo Ferrari

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