motor swap

  1. 1

    What motor is best for a swap on a K25

    Hey y’all, I’m not sure what type of motor to put in my 1978 K25. I want to upgrade as the current motor does have a lot of issues. Any help will be greatly appreciated. Thanks :)
  2. D

    Clunking noise on start up

    Installed a new 355 I built into my k10 this weekend. Got everything wired up and went to start it and it begins to crank but then will make a loud clunking noise. It will then start to turn over again and do it again. Pulled the starter and checked to make sure it was mating with the flywheel...
  3. Dleighton

    454 swap clutch/ flywheel question

    Hi, first post here. I have a 1986 k10 that I am building a 454 for, to put in place of the 350. My truck has the sm465 transmission. I am aware I need a 454 specific flywheel, which I have already gotten. (Perfection clutch 50-6531). My question is, will this flywheel work with the 3 finger...

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