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  1. Q

    Anybody hear of an Excel 175 speed boat

    Would love to see it. Brilliant.
  2. Q

    Anybody hear of an Excel 175 speed boat

    Amazing. I have a U.K. built cvx16 Roger Clark though. Thought I knew a bit about them. Not sure I’ve heard of this though.
  3. Q

    Help! Trying to identify my Mariner motor year!

    Mid 80’s at her youngest. Early at her oldest. One of the few that age that weren’t Yamaha
  4. Q

    Anybody hear of an Excel 175 speed boat

    Wasn’t aware that any other brand made the same hull as a cvx16
  5. Q

    Mercruiser 5.7 MPI Horizon oil change - unable to extract all the oil

    Ditch the threaded dip stick fitting and just do it rhe usual way with a vacuum extraction system that has a tube that gets to the bottom of the sump. You’ll get 99% of it out that way if you wait long enough for the oil to settle in sump after warm up...but not long enough that it takes forever...
  6. Q

    Ratios

    Tend to agree with above. You should think about asking a dealer to try out a set of 22” props for starters. Knowing the price of just one set of these props, never mind two sets...would make me want to be 100% certain of what set you need first.
  7. Q

    Mercruiser 5.0 TKS vs 4.3 MPI

    No. They would be mpi and gxi by then for sure.
  8. Q

    Mercruiser 5.0 TKS vs 4.3 MPI

    Brilliant. The Capri was definitely made to give us guys an alternative to the mustang. Sold loads here. As well as cortina. They even made a lotus cortina too. Lotus got involved with a few Opel/Vauxhall models too. I had a ridiculous quick Opel cavalier at one point. Had a fiesta xr2 as well...
  9. Q

    Mercruiser 5.0 TKS vs 4.3 MPI

    Really. That’s amazing. I had no idea you got the Capri over there. The sought after model here was the 2.8l or 3.0l Essex V6 model. I had an old escort RS turbo for a while, back in the day. Retro cars and worth lots of money these days.
  10. Q

    Mercruiser 5.0 TKS vs 4.3 MPI

    In so envious! Just not a thing here in U.K. really. Not the same culture on such a scale as over there. Always smaller engines here, for obvious reasons.
  11. Q

    Mercruiser 5.0 TKS vs 4.3 MPI

    Love seeing stuff like this Lou. I’ve saved these pictures. Definitely be useful. Thanks again.
  12. Q

    Mercruiser 5.0 TKS vs 4.3 MPI

    You can get anything you like out these engines. Not because they are carb though. It’s the rest of it you need to add to. The same power could be taken from a fuel injection version of the same engine. This is silly now.
  13. Q

    Mercruiser 5.0 TKS vs 4.3 MPI

    Ok. Let’s all go back to carbs then...what possible reason would there not to be ?? Someone had better call GM, Ford, Honda and all the world’s engineering top dogs...tell them they’ve got it wrong. Unless....it’s all a big anti Carb Conspiracy? C’mon guys. Reality check here. You can’t be...
  14. Q

    Mercruiser 5.0 TKS vs 4.3 MPI

    So is has there ever been a 4 barrel carb as powerful as an mpi from factory ? I don’t think so. I think there was recently a reman quicksilver 4.3 carb that claimed 220hp. But that was only last few years or so. I think the 2 barrel vortec is only 250hp, by the way.
  15. Q

    Mercruiser 5.0 TKS vs 4.3 MPI

    Think we on a different thing now. You compared tbi with carb for fuel efficiency. Not relevant here. Since we talking about mpi. That’s all I’m saying
  16. Q

    Mercruiser 5.0 TKS vs 4.3 MPI

    Different to what’s being discussed. But I’ll add that if we throwing Volvo hp ratings in the mix. Their 4.3 gxi (mpi) is 225hp. 5.0 gxi 270hp. 5.7 gxi 320hp. Haha. This isn’t helping your case.
  17. Q

    Mercruiser 5.0 TKS vs 4.3 MPI

    Hi A 4 barrel 4.3 in those days was about 190-210 Hp at best. The mpi 220. The 5.0 4 barrel was from memory about 230/240 (I think)...5.0 mpi is 260hp. The 5.7 4 barrel is 260hp. 300hp from the mpi. No 4 barrel of those days was ever as powerful as the mpi slightly later version. Apples for apples.
  18. Q

    Mercruiser 5.0 TKS vs 4.3 MPI

    There is no 260hp mpi 5.7. You’re still thinking efi Scott.
  19. Q

    Mercruiser 5.0 TKS vs 4.3 MPI

    Thanks Scott... But it’s MPI, like we discussed earlier. Not efi TBI. Totally different thing. There is no throttle body injected mpi. They have a fuel rail and individual injectors sure. That’s why they are more efficient. Like I said earlier.
  20. Q

    Mercruiser 5.0 TKS vs 4.3 MPI

    As for the claim that there is no economy benefit. Surely you’ll admit that there is simply no way on earth, that a carb fuelling system with a common shared inlet manifold to all cylinders...can ever be as efficient as a precise and measured atomised dose individually to each cylinder...as with...
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