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PORTED HEADS VS LOW SPEED TORQUE LET'S TALK TECH
I WAS RECENTLY ASKED ABOUT THE POTENTIAL FOR LOSS OF LOW SPEED TORQUE FROM PORTED HEADS, SO LET'S TAKE A LOOK AT A SBF HEAD TEST COMPARISON WHERE THAT HAPPENED. ACTUALLY, IT WAS AFTER MARKET HEADS VS STOCK HEADS, BUT SMALL PORTS AND VALVES DON'T MAKE MORE TORQUE.
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