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429mustang · 07-11-2002, 05:56 PM

because when you bore it out .030 over, you make the entire bore slightly bigger in diameter. Basically, with a 302, if you filled the cylinders up with water, then measured the amount it took to fill all 8 of them, you'd have 302 cubic inches of water. When you take .030 off the cylinder walls, then measure it again, it turns out to be 306 cubic inches. Does this make sence?

07-11-2002, 05:56 PM	#7
429mustang Registered Member Join Date: May 2001 Location: westerville, OH USA Posts: 618	because when you bore it out .030 over, you make the entire bore slightly bigger in diameter. Basically, with a 302, if you filled the cylinders up with water, then measured the amount it took to fill all 8 of them, you'd have 302 cubic inches of water. When you take .030 off the cylinder walls, then measure it again, it turns out to be 306 cubic inches. Does this make sence? __________________ 1990 Notchback: BBK Ceramic Coated Full length headers, Dr. Gas 3"- 2 1/2" x-pipe, Flowmaster 40's/turndowns.