Logo
FULL SITE MENU

Search results

  1. J

    Mercruiser 3.7l 470 Overheating - no water now in sea water line at heat exchanger

    Hi All - 3.7l ran well for a couple of hours at 3200rpm, went to idle and then noted the engine got right up on the gauge, it was boiling out overflow tank. Turn it straight off and then used one engine to get back to shore. Have checked header tank and the gasket was okay. Pulled the sea water...
  2. J

    Mercruiser 3.7L - turns over but will not run, fuel, spark, distributor all check ok.

    Frustrated with this one - twin 470/3.7 engines and both were running well, had been at idle for a while when one motor started to splutter and then died. Started back up but it was running rough and so went back to base on on one engine. Have check compression 135 (as has been normal with...
  3. J

    Mercruiser 3.7L - Rattle/Knock over 2000rpm & wont go over 3000rpm - need a guru that knows these!

    Mercruiser 3.7L - Rattle/Knock over 2000rpm & wont go over 3000rpm - need a guru that knows these! 170/3.7l Hope for help from someone that really knows these old girls and has rebuilt over many years! Bertram 25 with twin 3.7l Mercruisers understand the limits of these engines and how some do...
Back
Top