Plenum Cylinder Airflow Comparison

RJC Power Plate Flow Chart’s
Plenum flow charts comparison each cylinder to average of all cylinders for that plenum.


Stock Plenum
1 -40%      2 -81%
3 +24%     4 -33%
5 +68%     6 +63%
Flow Range; 149%

Stock plenum with AD Power Plate-S
1 -5%      2 -2%
3 +5%     4 +4%
5 -5%     6 +2%
Flow Range; 10%

Kenny Bell 70mm Plenum
1 -44%     2 -52%
3 +32%    4 -8%
5 +30%   6 +40%
Flow Range; 96%

Precision 70mm Plenum
1 -56%     2 -59%
3 +36%    4 -2%
5 +27%    6 +36%
Flow Range; 95%

Kenny Bell Plenum with AD Power Plate-K
1 +5%     2 -5%
3 +1%     4 0%
5 -1%      6 +1%
Flow Range; 10%

Precision Plenum with AD Power Plate-P
1 -3%     2 +2%
3 -3%     4 +2%
5 +2%    6 -2%
Flow Range; 5%

Hemco 70mm Plenum
1 -20%     2 -21%
3 +21%    4 -13%
5 -10%     6 +14%
Flow Range; 42%

Hemco Style Plate (Just for kicks)
1 -35%     2 -29%
3 +23%    4 +24%
5 -2%       6 +19%
Flow Range; 59%

 

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