FORUM RULES UPDATED - The forum rules have been updated to continue to provide a friendly and safe environment for our member community. Please take a moment to review the updated rules and our terms of use and privacy policy. Click here for Forum Rules which has links to the 'terms of use' and 'privacy policy'.
i have a 1978 thundercraft that has a 305 in it with OMC drive. The original block has a crack in cylinder 5. I bought an 87 GM truck 305 block, bored out at 40 over and planned to swap. When i went to put the flywheel from the 78 engine the flywheel hole mount is much larger and the bolts do...
I have recently purchased an 1978 18'Thundercraft in great shape. However, I purchased the boat knowing that the previous owner had the engine inspected and water was in Piston #5. Further investigation showed there was a crack in the block. That being said. My question is such; Can I do a...
