Search results

  1. C

    Thermostat outlet confusion

    On 1988 Mercruiser 5.7L I had to replace the thermostat, housing, and all accompanying components. The replacement unit has a plastic sleeve that I believe holds the thermostat in place, Some other info references a brass sleeve. Point is the top cover will not fit with the sleeve installed and...
  2. C

    Wrong Exhaust Manifold!

    I am rebuilding a 1988 Mercruiser 5.7L that had a cracked block and two cracked exhaust manifolds. I bought one years ago (never got around to replace it) and just found a second one cheap from an individual (after getting sticker shock on a current new one). Upon installing it I am chagrinned...
  3. C

    5.7L low idle vacuum

    I have a 1988 Chapparal with a 5.7L Mercruiser 4 barrel that has an ongoing issue with stalling and intermittent hard starting. When I acquired the boat two years ago, it had an orig Rochester Quadrajet that was flooding and would not idle at all. I rebuilt it and it stopped flooding but hasn't...
  4. C

    Chapparal has trouble staying up on plane

    I have a 1988 Chapparal 2350 SX with a 350 CI I/O Mercruiser that seems to have a difficult time coming up on and staying on plane when the throttle is below 4000 RPM. I changed the prop from a 20 pitch ti 16 and that didn't give a noticeable difference. The boat seems to take too much throttle...
  5. C

    '88 boat gauges replacement

    I have a couple of bad gauges in my '88 Chapparal boat that I just acquired. I have bought a whole matching set of Teleflex 7pc Lido Boat gauges to replace them. Would there be any issues with these gauges so far as size, specs, etc?
  6. C

    Gas filler vent kinked

    As I was working under the dash of my recently acquired '88 Chapparal bat, I noticed the fuel vent hose was kinked. Other than perhaps causing a problem filling the fuel tank, would or could this cause any other performance problems?
  7. C

    Mercathobe system

    My recently acquired 1988 Chapparal 2350SX has a Mercathobe system on it. I would like to know what this device does, how to test and see if it actually works, and/or do I need it. I will not be running in any salt water or any bodies of water larger than the Lake of the Ozarks in Missouri...
  8. C

    "RUN" switch functionality

    On my 1988 Chapparal 2350SX boat, just acquired, there is a red up and down toggle switch mounted just forward of the throttle lever. I found two wiring running to it that are unhooked. The boat starts and runs OK without it. Could anyone tell me what the purpose of this switch is?
  9. C

    New prop seal leaking already

    I have recently acquired a 1988 Chaparral 2350SX with a 5.7L Mercruiser I/O. Having been an old mechanic (on cars and light trucks) I have worked over everything on the motor from rebuilding the carb, dist, new plugs, filters, oil, etc. Having never worked on a Mercruiser lower unit, I opted to...
  10. C

    Fuel sending unit ground wire exit?

    I have a 1988 Chapparal 2350 SX. The fuel gauge does not work. I removed the small cover to access the sending unit and grounded the pink wire with the key on which caused the gauge to show full. OK, then the sending unit is suspect so I removed it and bench tested it with an ohm meter and it...
Top