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JRyan · 08-20-2017, 11:34 PM

Dwight,

I see, and in this case it works out the same. In actuality, NHRA would multiply the 11.85 Index times a factor of 1.0517. It's an inverse relationship, but due to the number of decimal points the math is carried to, there can be a difference of a hundredth in the factors.

Jerry

08-20-2017, 11:34 PM	#81
JRyan Senior Member Join Date: Apr 2003 Location: Aberdeen SD Posts: 642 Likes: 28 Liked 104 Times in 28 Posts	Re: 1971 Buick 455 GS F/SA G/SA Build Dwight, I see, and in this case it works out the same. In actuality, NHRA would multiply the 11.85 Index times a factor of 1.0517. It's an inverse relationship, but due to the number of decimal points the math is carried to, there can be a difference of a hundredth in the factors. Jerry