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327 build

Discussion in 'The Garage' started by Robbie6987, Sep 10, 2002.

  1. Robbie6987

    Robbie6987 1/2 ton status

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    I have a 68 327 30 over block collecting dust, how much power can you get out of this , or should i just rebuild my TBI 350.
     
  2. ashley7318

    ashley7318 Registered Member

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    the 327 built right with the proper camshaft and cylinder heads and a 350 crank can crank out about 450-475 horsepower. i would go with the 327 for power and the 350 tbi for realiablity and it is easier.
     
  3. ben427

    ben427 1/2 ton status

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    Well, a 327 with a 350 crank, is ..................a 350, so why wouldnt you just use a 350 block?
     
  4. 4x4dreamer

    4x4dreamer 1/2 ton status

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    I'm a firm believer that a 327 is one of the toughest engines out there. I've always loved that engine.
     
  5. Pure Insanity

    Pure Insanity 1/2 ton status

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    </font><blockquote><font class="small">In reply to:</font><hr />
    Well, a 327 with a 350 crank, is ..................a 350, so why wouldnt you just use a 350 block?

    [/ QUOTE ] UUM yeah. I have the same combo laying in the barn. A 68-9 327 block w/ a 350 crank. IIRC a 327 or 350 block w/ a 307 crank makes a 327. Might be a 283 crank. I dont have the book handy to check. Must be an 8-9 block. Earlier blocks had small mains.
     
  6. Robbie6987

    Robbie6987 1/2 ton status

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    its a big journal 327 /forums/images/icons/smile.gif
     
  7. chevyracing

    chevyracing 1/2 ton status

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    327=high HP numbers and small torque numbers. You need torque in a truck, especially with big tires.

    John
     
  8. Ryan B.

    Ryan B. 3/4 ton status GMOTM Winner

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    This is true...
    327's aren't big torque motors. They're great for lighter weight applications like my dad's CJ5 Jeep... but i'd want a little more torque for a fullsize.
    Those 327's are known to scream rpms more so than the 350's i believe. My dad's 327 goes to 7,000 all the time.... And i know a guy that built a 13:1 327... and he takes it to 7,800 before shifting! /forums/images/icons/shocked.gif /forums/images/icons/shocked.gif /forums/images/icons/shocked.gif /forums/images/icons/grin.gif But i wouldn't recommend winding em up that high unless you only want a few months outta the motor. /forums/images/icons/shocked.gif /forums/images/icons/tongue.gif
     
  9. Robbie6987

    Robbie6987 1/2 ton status

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    Thanks for all the info guys, ive been gone so couldnt reply.
     

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