Step by step Porting guide and pics 429/460 same port start to
finish Each step flow tested
finish Each step flow tested
| 5 |
| Step 14: Fill floor to bottom of bolt holes |
| Flow figures at 28" water corrected .1" .2" .3" .4" .5" .6'' .7 " .8" 51 96 130 152 167 177 183 185 |
| Flow figures at 28" water corrected .1 .2 .3 .4 .5 .6 .7 .8 52 96 130 152 168 178 183 188 |
| Lower floor .100" |
| Step 15: Lower short turn crest no more than .050" on D3VE castings and no more than .020" on D0VE and prior Angle right falling to left Parallel with valve seat centerline Reroll short turn if you leave a sharp line. Use great care here. |
| Flow figures at 28" water corrected .1 .2 .3 .4 .5 .6 .7 .8 50 96 130 153 170 181 188 193 |
| Step 16 Thin and shape vane on right and left sides Shape top af vane like airplane wing. |
| Flow figures at 28" water corrected .1 .2 .3 .4 .5 .6 .7 .8 50 94 130 154 172 183 190 195 |
| Step 17 Remove clay floor fill |
| Flow figures at 28" water corrected .1 .2 .3 .4 .5 .6 .7 .8 50 93 127 150 166 173 176 178 |
| Hurts flow from .3" lift up. |
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