Logo
FULL SITE MENU

Recent content by JAA

  1. J

    1986 Cobalt 21BR - cracked block, worth saving?

    Thank you. Im starting my research and will report back
  2. J

    1986 Cobalt 21BR - cracked block, worth saving?

    Thanks Im exploring doing the rebuild myself. I've done SBF top end work. I also have a quality machine shop I trust. My questions: What makes an engine a marine engine? With my 86 GMC engine, what is different between it and a car engine? If I found a random 350, could I just use its...
  3. J

    1986 Cobalt 21BR - cracked block, worth saving?

    Thank you for the response Speaking to a local and trusted marine mechanic he said that the 350 blocks are harder and harder to come by. In upstate used 5.7's are going for ~$4k. Full job would be $5-$6k.
  4. J

    1986 Cobalt 21BR - cracked block, worth saving?

    1986 Cobalt 21BR, ~800 hours, 5.7 OMC Cobra I love my old beat up boat. I don't want a new boat. Ive owned this boat for ~11 years. Found a crack in my block. Below head gasket, above passenger brass drain petcock. Link: video The boat is in good shape for an 1986. Fresh water, kept out...
See more
Back
Top