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  1. J

    340

    1969 340 block fresh from machine shop 30 over. I have new kb pistons,mahle rings,oil pump,freeze plugs,stock steel crank. 20/20 still in the box from being turned.Have pulleys,water pump, and the mounting brackets.I also have a set of 360 heads that will need a valve job no springs. Looks to be...
  3. J

    Boat heads

    I found some heads on a 1985 318 boat motor with adjustable rockers. I couldn't read the casting number, does anyone know how these heads would perform. The motor also had a steel crank, the guy that had it said I could take it for free. I have a 340 block that I was thinking it might work for.
  4. J

    Boat heads

    I found some heads on a 1985 318 boat motor with adjustable rockers. I couldn't read the casting number, does anyone know how these heads would perform. The motor also had a steel crank, the guy that had it said I could take it for free. I have a 340 block that I was thinking it might work for.
  5. J

    X head

    I got a x head today the casting number is 2531894-3. From what I could find these heads were made from 68-70. Does anyone know what the -3 stands for
  6. J

    340?

    I have a 69 340 block and a set of 1975 360 heads. I want to cut the heads to lower the cc. Does anyone know how much to cut of the intake, if I deck them 50 or a 100ths
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