Camaro ZL1 Uses Deck Plate Honing on High-End Engine

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Thread: Camaro ZL1 Uses Deck Plate Honing on High-End Engine

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    2.4 Liter SIDI ECOTEC BigityBalzworth's Avatar
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    Camaro ZL1 Uses Deck Plate Honing on High-End Engine

    Camaro ZL1 Uses Deck Plate Honing on High-End Engine
    http://www.gm.com/news-article.jsp?b...14_camaro.html



    DETROIT – Deck plate honing a cylinder block, a precision-machining process typically reserved for high-performance engines, will be used on the Camaro ZL1 6.2L supercharged V8, helping maximize engine life, reduce friction between engine parts and increase horsepower.

    Deck plate honing refers to a machining process in which aluminum plates, sometimes called torque plates, are clamped to the block, simulating the cylinder heads, before the final bore and hone of the cylinders takes place. The clamp load of 10 bolts per head creates normal, minute distortions in the block and thus makes the bore slightly out-of-perfect shape or cylindricity.

    While the simulated cylinder heads, or deck plates, are attached to the block, a boring machine does its work boring, and then honing each cylinder. Later, when the actual cylinder heads are assembled to the block under identical torque loads, the cylinder bores are near perfect for the engine’s lifetime of piston travel up and down in the bore up to 6,200 times a minute.

    more at link

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    2.4 Liter SIDI ECOTEC Smoke's Avatar
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    Re: Camaro ZL1 Uses Deck Plate Honing on High-End Engine

    Is this true for all LSA engines or just the ones going into the ZL1??
    "If you don't want to go fast, then quit racing and go do something else. And you might want to get some kerosene rags and tie them around your ankles. That'll keep the bugs from crawling up your legs and eating your candy ass."
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    Re: Camaro ZL1 Uses Deck Plate Honing on High-End Engine

    Quote Originally Posted by Smoke View Post
    Is this true for all LSA engines or just the ones going into the ZL1??
    Wouldn't be that difficult to do 'em all would it?
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    Re: Camaro ZL1 Uses Deck Plate Honing on High-End Engine

    I know that the z06 and zr1 (ls7, ls9) get this treatment. I'm not really sure if all current LSA's do or not. I would think that they do, but if they don't maybe this means they will be now.

    here's a video showing the process

    http://media.gm.com/media/us/en/vide...00f0b60d&rf=bm

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    Re: Camaro ZL1 Uses Deck Plate Honing on High-End Engine

    Too time consuming (& therefore costly) to do to all LSA motors.

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    Re: Camaro ZL1 Uses Deck Plate Honing on High-End Engine

    Meh. More hype for a car no one can buy for many months.

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    Re: Camaro ZL1 Uses Deck Plate Honing on High-End Engine

    Deck-plate boring/honing has been used in performance engine building for a v-e-r-y long time...

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