105#. From what I read when I was doing a cam, the 90s are harder on the valvetrain due to their seat pressures at full extension. I run 105s on a stock timing chain setup.
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11-18-2013
105#. From what I read when I was doing a cam, the 90s are harder on the valvetrain due to their seat pressures at full extension. I run 105s on a stock timing chain setup.
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