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Testing GM L92 And LS7 Cylinder Heads Cumbustion Chambers

The intake valve is a massive 2.165 inches in diameter, while the exhaust is relatively tame at 1.59 inches. The combustion chamber measures 70 cc.
Testing The New GM L92 Cylinder Heads - 550 hp for Under $4,900

 The intake valve is a massive 2.165 inches in diameter, while the exhaust is relatively tame at 1.59 inches. The combustion chamber measures 70 cc.  View Related Article

 

 

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