No P-70 because it will generate the same thing as the LA-7 , everyone fly with 3*"20 and on a selected few flew it real life .
If the P70 become reality, 4*20mm ki84, 150 grade fuel,4*20mm p51 with 150 grade fuel and mk103 190s with r4m and gm-1, yak3p 3*20 could become also be closer to reality with the same reasoning.
Qakebirds here we come.