Camaro ZL1 Uses Deck Plate Honing on High-End Engine
Precision Machining Process Makes for Perfect Bores
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. http://media.gm.com/content/Pages/ne...7645030533.jpg VIDEO http://media.gm.com/media/us/en/vide...00f0b60d&rf=bm |
Re: Camaro ZL1 Uses Deck Plate Honing on High-End Engine
Originally Posted by ChrisFrez
(Post 6610261)
Precision Machining Process Makes for Perfect Bores
http://media.gm.com/content/media/us...eb/0214_camaro http://media.gm.com/content/Pages/ne...7645030533.jpg VIDEO http://media.gm.com/media/us/en/vide...00f0b60d&rf=bm :lol: Very cool though. |
Re: Camaro ZL1 Uses Deck Plate Honing on High-End Engine
Originally Posted by detltu
(Post 6610370)
I guess they don't consider the LSA a "high performance engine".
:lol: Very cool though. So right. Oversight there. Should have read "...typically reserved for race engines...". This engine definitely inhales and exhales high performance. Thanks. TR |
Re: Camaro ZL1 Uses Deck Plate Honing on High-End Engine
Might as well finish the pre distortion and run hot water through the block while honing.
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