Step by step porting guide and pics 429/460 Same port start to
finish Each step flow tested
finish Each step flow tested
| pg 4 |
| Step 11: Remove half af thermactor bump grind with taper to exit in mind in other words grind with the angle of the longside before roof straightens out near exit |
| Flow figures at 28 " water corrected .1" .2" .3'' .4" .5 " .6 " .7" 51 96 128 151 165 171 174 |
| Step 12: Blend back head bolt radius Left wall vertical Open left corner as you did the right. Then square corner. |
| Flow figures at 28 " water corrected .1" .2" .3'' .4" .5 " .6 " .7" 52 100 133 155 168 173 176 |
| Step 13 Raise roof 1/16" to 1/8" Keep corners square. Center roof raised slightly above corners |
| Flow figures at 28 " water corrected .1" .2" .3'' .4" .5 " .6 .7" 51 99 132 154 167 173 176 |
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