differences in older MASTs?

[thebrain]

Bob why doe's this older MAST only have two A/F adjustment nobs?





and this older MAST have four A/F adjustment nobs?


seam like w/ instructions like these even a novis can tune A/F


Thanks for the surport

[TurboBob]

the 4 knob unit is a Translator Plus, and can adjust timing on GN's and LT1's

The 2 knob unit adjusts fuel only and is a MAF Translator.