Trying to put together some info & compare. I'm looking for stock runner sizes for the following heads/castings. I did find some info but need a bit more to fill in the holes. Also LMK if I missed any Thanks!!!

5.3 Head-----casting #-----runner size
.......................?......................?

5.7 Head-----casting #-----runner size
.......................806................. ?
.......................853................. ?
.......................241................. ?
.......................243..............210-214
.......................035 .............210-214

6.0+ Head-----casting #-----runner size
.......................317..............210-214

 

From my searches: 5.3; 862 and 5.7; 803-853-241 heads int:200 Ext:70

 

Thanks!

5.3 Head-----casting #-----runner size
.......................862....................?

5.7 Head-----casting #-----runner size
.......................806................. 200 int 70 ext
.......................853................. 200 int 70 ext
.......................241................. 200 int 70 ext
.......................243..................210-214 int
.......................035 .................210-214 int

6.0+ Head-----casting #-----runner size
.......................317..................210-214 int


Any ideas on the 5.3 runner size???