Cathedral Vs Rectagular Port Cylinders Head To Head 008
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5 To properly test the merits of such powerful heads, we installed them on a suitable test mule. This 6.0L truck block was treated to a 4.0-inch stroker crank and forged rods from ProComp Motorsports and forged (dished) pistons from Probe Racing. When combined with the 70cc combustion chambers offered on each set of heads, the result was a static compression ratio near 10.0:1. View Related Article
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