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Apex Motorsports · 10-06-2010, 04:13 PM

The reason GM based the LS9 on the LS3 instead of the LS7 is because the higher cylinder pressure created by a supercharger requires thinker cylinder walls than what the LS7 has. I would stick to an all motor build with the LS7.

10-06-2010, 04:13 PM	#25
Apex Motorsports Drives: 2000 Camaro SS Join Date: Feb 2010 Location: Louisville, Ky. Posts: 25,179	The reason GM based the LS9 on the LS3 instead of the LS7 is because the higher cylinder pressure created by a supercharger requires thinker cylinder walls than what the LS7 has. I would stick to an all motor build with the LS7.