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  1. J

    Carb losing prime?

    A few weeks ago both motors quit while out for a cruise. First the starboard and then the port. In both cases I found that the carb bowls were dry, as there were no squirts from the accelerator pump when the throttle was pumped. I got the motors started by removing the spin-on filters/separators...
  2. J

    Circulating Pump Failure

    After converting my starboard engine to FWC this weekend I was scratching my head trying to figure out why it was overheating. Then I pulled the circulating pump and found this. This is what happens when you use the fresh water model circulating pump in a raw water cooling setup. I believe the...
  3. J

    FWC Conversion

    Hello all, Is this the hose I need to go from the raw water pump to a FWC heat exchanger? Does anyone have any images of this hose on a motor? Thanks, JJ
  4. J

    FWC Conversion

    Anyone have experience converting from RWC to FWC? If so, was engine scale / rust an issue? How did you mitigate it? I'll be converting my RWC engine with barely 75 hours to FWC. Before winter lay-up I performed several rinses with fresh water and salt away. I'm wondering if it's worth using...
  5. J

    FWC Conversion

    Anyone have experience converting from RWC to FWC? If so, was engine scale / rust an issue? How did you mitigate it? I'll be converting my RWC engine with barely 75 hours to FWC. Before winter lay-up I performed several rinses with fresh water and salt away. I'm wondering if it's worth using...
  6. J

    FWC Conversion

    Anyone have experience converting from RWC to FWC? If so, was engine scale / rust an issue? How did you mitigate it? I'll be converting my RWC engine with barely 75 hours to FWC. Before winter lay-up I performed several rinses with fresh water and salt away. I'm wondering if it's worth using...
  7. J

    Old-style Chokes

    Hey everyone, Last summer I installed Edelbrock electric choke kits on my freshly rebuilt Carter AFBs. The choke linkages don't match up correctly so I've decided to go with a standard manifold-style choke assembly: the type with the coil that sits inside of the intake manifold. Does anyone...
  8. J

    Adjusting a Nylon Stuffing Box

    Does anyone have any experience adjusting the nylon type stuffing boxes? Since the cotter pin holes only line up in one position, adjustments can only be made in full turn increments. Is a full turn too much for adjusting a stuffing box? -JJ
  9. J

    Mounting Bracket or Dimensions wanted...

    Hello all, I just purchased a Lenco heat exchanger for my 77 vintage stbd side 318. My port side motor already has FWC. The exchanger is the kind that mounts above the motor behind the electronic ignition bread box. The problem is, Lenco doesn't manufacture the bracket kit anymore so they...
  10. J

    Improved Fuel Efficiency

    I'd like people to weigh in with their opinions here... I bought the boat last summer: 31 foot Silverton Sedan with twin 318s. I ran it from the point of purchase, to my home port at 15 knots for about 4 hours. I consumed about 3/8 tank of fuel, which equals about 21 gallons per hour. This...
  11. J

    Clicking Sound

    Last weekend while installing a new distributor and setting timing, I used a socket wrench to manually rotate my engines in order to find the TDC mark on the flywheel. While manually rotating the engines I could hear a "clicking" sound as I rotated. Not the clicking sound that comes from the...
  12. J

    Chrysler 318 Advance Curves (Mallory)

    This weekend I installed a new Mallory YLM579AV distributor on my Port engine. My Stbd engine already had the same distributor installed about 2 years ago. I plotted the timing up to 3000 rpm. My Stbd distributor is giving me a few more degrees of advance, but considering that it's older and...
  13. J

    Motor Stuck

    Hey guys, My buddy just bought an old junker. It's got an 80's vintage 115 hp outboard merc that hasn't been started in YEARS. Right now the motor is stuck in the upward tilt position and he can't figure out how to get it down. He said he removed some of the hydraulic lines to let the fluid...
  14. J

    Ran over a bouy today.

    I was putting around the harbor, on my way back to the marina and I passed over a small inflateable rubber bouy. It was under the boat for a few seconds, then it made a noise and popped back up to the surface. I'm not sure what it hit under there. Should I be concerned about a small bouy like...
  15. J

    Do I have anti siphon valves?

    1977 Silverton 31 with twin 318s. I don't think I have anti siphon valves. When inspecting the the fuel lines last weekend I didn't see any evidence of AS valves. But, the more posts I read it seems like a lot of guys have them located at the top of the fuel tank directly after the pickup...
  16. J

    Timing Lights and Reverse Rotation

    When using a timing light with advance adjustment, do have to compensate for the direction of engine rotation? As far as the light is concerned, 5 TDC is 5 TDC, regardless of direction of rotation. Is this correct? -JJ
  17. J

    Could it be the sand???

    A few weeks ago my stbd engine died when I tried running it over 2500 rpm after a few minutes. A few pumps of the throttle revealed a dry fuel bowl (no squirts from accelerator pump). I'd remove the water separator, pour some gas down the carb throat, and she would start right back up. I limped...
  18. J

    Idle Variation

    How much idle variation do you guys see? What's the concensus on what's considered "normal". Last week, I installed a newly rebuilt Carter AFB on my stbd 318. While adjusting the air/fuel mix I couldn't get what I felt was a steady idle. Jumped around from 750 to 820. Granted, the motor isn't...
  19. J

    Fuel Line Fittings

    Looking to replace some existing copper fuel lines with USCG approved rubber lines. My inline fuel filters have 5/16" inverted flare fitting. I also believe the Carter AFB carb also has the same inlet thread. I'm looking for a fitting to adapt these to NPT so I can install barbed thread...
  20. J

    Throttle Bracket Wanted

    I need a throttle cable bracket for a 318 intake manifold. Carter AFB carb. Dual station setup. The old Holley bracket I just removed isn't compatible. I could make it compatible with some cutting and bending, but I'm running out of energy. -JJ
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