Search results

  1. RVFR

    4.3 OMC Cobra and or...

    I asked this one not only for OMC guys but more for the 4.3 powerplants. I just read something that's kinda weird in that odd way, yet knowing there is definitely a difference between auto and marine engines, I have to ask. Is there more power gain when running the 4.3 on premium fuel where the...
  2. RVFR

    OMC Cobra 4.3?

    I am a fairly new owner of a 188 sea swirl spyder sport boat with a Cobra 4.3 I/O. I'm familiar with boats in general, yet they were all outboard-driven. This is my first I/O, now that said it is pretty straightforward in figuring things out, but as I move along I find there is verbiage I...
  3. RVFR

    92 188 Spyder ?

    I just got a 92 sea swirl 188 spyder on what seemed to be a deal, it looks for the starters a nice fun boat. It has an OMC Cobra 4.3.. which by all accounts is 190hp. ? What I am curious about is and from what I've read here and there that the 4.3 has a somewhat lower RPM in regards to WOT...
Top