Buick 350 engine build

Discussion in 'Small Block Tech' started by Darron72Skylark, Jul 12, 2019.

  1. Darron72Skylark

    Darron72Skylark Well-Known Member

    Block is looking good, only needed a 0.020 overbore to clean up nicely. Consulted with my machinist and engine builder about the quench question with TA heads and the Autotec pistons. He's very confident that the thickness around the edge of the piston is large enough to provide good quench when matched with the TA heads and a zero deck.
    Initial decking of the block was 40 thousands, and after fitting rods and pistons, will get some final work to bring it to zero.
    The crankshaft had to go back to the outside shop for a second try, which has caused some delay to the project. It just arrived yesterday and all looks good, so balancing the rotating assembly is next. The concept of 1.5 thousands bearing clearance is one that my machinist has embraced, but the crankshaft shop had not fully understood. Now it will be right.
    I had a spare flywheel ready to go, but started on a clutch replacement project for the Skylark over the holidays and needed to use it with the current stock motor. As a result, I'm hoping that the old flywheel can be cleaned up to remove the hot spots and surface cracks. Otherwise, I'm kind of in trouble without a flywheel. I'd prefer not to have to buy a billet one for $325, but we will see if the old one from the stock motor can be saved.
    Camshaft in in the block. Used the coated dual groove cam bearings from TA, and they were a little tight, but a little work on the camshaft solved that.
    By early next week I should know whether the old flywheel is salvageable and can be used to balance the rotating assembly, or whether a shiny new billet flywheel will be added to my extensive bill at TA Performance.
     
  2. Darron72Skylark

    Darron72Skylark Well-Known Member

  3. Jim Nichols

    Jim Nichols Well-Known Member

    Darron, Looks good!
     
  4. sean Buick 76

    sean Buick 76 Buick Nut Staff Member

    I could be looking at those pictures wrong however I think the pistons are upside down. The piston valve reliefs should match the cylinder heads. I’m on my phone so maybe I’m not seeing the photos properly.
     
  5. 300sbb_overkill

    300sbb_overkill WWG1WGA. MAGA

    They're in right, they are just pictured upside down looking the way it is rotated on the engine stand at that angle. Look at the second pic down and you can see the factory index block locator on the top side which is the outside of the block. Also the dowel pins are towards the outside of the block as well.
     

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