Re: Older intake on GenVI big block
The cylinder heads are 118cc rectangular port open chamber design, 2.19 int. 1.88 exh. engine has a comp. ratio of 8.75 to 1. Pump gas friendly but tons of torque! Oh and the cam is .510/.540 roller hyd. You need to order an oil pan kit to install the engine in the older model camaro, nova & chevelle. gm part # 12568774
Tom Williams
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