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Thread: Buick 350 aluminum heads almost here!

  1. #1
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    Buick 350 aluminum heads almost here!

    www.TAPerformance.com does not yet show anything on their web site but word is that the first two sets have been through first machining. programs are still being fine tuned.

    the new head will support a 2.050" intake valve and a 1.600" exhaust. yes, you read that right, a plus 2" intake valve into the stock 350 piston bore. unknown if it will be necessary to fly cut the top of the bore to relieve shrouding.

    final head weight is not known ( and, obviously, more porting will take more weight off ) but the raw casting is 30lbs vs the factory cast iron at 51lbs. delta of 21lbs per head * 2 == 42lbs saved AND THAT IS A MINIMUM. this is BEFORE machining, so the finished heads will be lighter yet.

    couple that with an aluminum Stage 1 intake which is 16lbs vs the stock cast piece at 53lbs for a 37lbs savings and that will REALLY drive the assembled weight of the 350ci to rock bottom levels.

    then you take the exhaust manifolds off and put headers on and save even more!

    so the full assembly will be *a minimum* of 80lbs lighter than the factory OEM engine.

    Buick small block engine weights

    350ci == 460lbs
    340ci == 404lbs
    300ci == 400lbs
    215ci == 328lbs

    350ci short block + aluminum heads and intake == 380lbs assembled? noice!


    350heads_1st mill.jpg

    350head_stack.jpg





    http://www.v8buick.com/showthread.ph...pdate***/page8
    The way to crush the bourgeoisie is to grind them between the millstones of taxation and inflation.
    Vladimir Lenin

    Government schooling is about "the perfect organization of the hive."
    H.H. Goddard, Human Efficiency (1920)

  2. #2
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    i double dog dare ... no ... i TRIPLE dog dare somebody to build a Buick 350 variant which weighs LESS THAN it's cubic inch displacement!

    go on, put a .060" overbore in and you'll bump displacement to 360.43ci. this could be doable!

    The way to crush the bourgeoisie is to grind them between the millstones of taxation and inflation.
    Vladimir Lenin

    Government schooling is about "the perfect organization of the hive."
    H.H. Goddard, Human Efficiency (1920)

  3. #3
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    And here is my engine which will be the first block that the Alum heads are bolted onto and going in my 2980 Pound Street legal drag car:










    Billet crank by KING, this is a one off:



    JE Custom pistons:



    Belt driven oil pump:


    Custom pan by SRE:


    And the car:



    Sean G
    70 Skylark-Twin turbo 350 powered
    75 Regal-350
    76 Century-350
    78 Skyhawk-V6
    and 18 spare Buick 350s in the barn.

  4. #4
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    That's really nice, what size are the wheezers?
    1979 TRegal

  5. #5
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    Quote Originally Posted by Utah Blaine View Post
    That's really nice, what size are the wheezers?
    Thanks! The are just little T3/T4 hybrid 55 trim turbos... Setup for instant boost NO lag, will swap out to larger turbos once I get the new engine running well. This setup makes about 580 HP at the crank with a 250 hp stock 350 with small cam. Shooting for 400 HP NA with the new engine then adding boost
    Sean G
    70 Skylark-Twin turbo 350 powered
    75 Regal-350
    76 Century-350
    78 Skyhawk-V6
    and 18 spare Buick 350s in the barn.

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