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  1. M

    Heat pitting in firing chamber?

    Pulled the head off my J25 and found this(top cylinder). Only problem this motor ever had was some backfire/blowback(hard to describe, would happen out of nowhere on cold starts until the engine warmed up) did not stall but pops and almost stalls then levels out again. Used to do it about 5...
  2. M

    Timing and engine noise with video

    Just wondering if anyone has had the timing light skip a few beats. The timing light seems like a pretty simple device but some flashes are skipped. wondering if thats my motor or the light? Anyone have this issue before. Also toward the end of the video you can hear the exhaust noise. Does...
  3. M

    Water in Fuel/carb causing lean condition?

    Sorry if this has been covered but I was having issues finding the exact condition. I did not want to confuse it with another condition. Here is the details: Mercruiser 4.3l v6(1995) Just started happening in the middle of cruising. Motor revs past 2k fine with no load(idle). Under load as...
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