your missing the point...you have a SB, his is a BB, inherently the SB's spin better in a stock config... in other words, your just looking at some 402 vs 408 number thing, when it's more based on valvetrain geometry and upgraded components...
now you start throwing shaft mounted rockers, alum rods and such at the mix, and all bet's are off...
now you start throwing shaft mounted rockers, alum rods and such at the mix, and all bet's are off...




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