Whoever told you that is wrong. You can intermix G100UL and mogas just like 100LL.
As per GAMI: “Comingling of G00UL Avgas and other gasolines approved for use in your aircraft is specifically authorized in the limitations section of the STCs.”
Whoever told you that is wrong. You can intermix G100UL and mogas just like 100LL.
As per GAMI: “Comingling of G00UL Avgas and other gasolines approved for use in your aircraft is specifically authorized in the limitations section of the STCs.”