The MFGSF (Miner's Fast Growing Salad Function) is a function that uses FGH. Note: I made this number just keysmashing FGH numbers. That's why it is salad. Leftunknown, as an "expert" in FGH, feel free to make any corrections.
The final number, the MFGSN ([...] Salad Number), is
The upper limit of MFGSN should be about , if this is the case, the MSN function would be comparable to SCG(n)