Buick 455 Cylinder Heads - 455 Head Check
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This was one of the most interesting comparisons in our two issues' worth of Buick testing. This shows stock iron heads with the TA-413 cam and SPX intake (red lines) and the Edelbrock heads with the smaller TA-212 cam and B4B intake (blue lines). The horsepower is nearly the same, but the better heads made an enormous gain in the torque curve. View Related Article
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