Re: period correct tunnel rams
Power valve circuit should help you.
When we ran the 540 on the dyno, the A.F. ratio was down in the 11.0 range. Way to fat for a street car. Bobby Myers added a power valve to the Dominator by removing the block off and drilling two holes into the metering plate to feed fuel to the power valve. After moving down 4 jet sizes, the average A.F. ratio was in the 14.5 range at idle and through the pull.
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