im located in the cold midwest & dont notice any problems starting my older q-jet carb'd cars or modern FI daily drivers. we have both non ethanol & 10% fuels in this area, not sure of other states but its nice to have a choice of non ethanol fuels. all my cars start fine when cold or warmed up on either type of fuel. do you have a choke on your cars & are they set right?
now when my carb'd cars sit for a long time, like a week or more they do require a few seconds of cranking to get fuel pumped back into the lines/carb, but aside from that they start ok. sounds like you might have a choke issue or other tuning issue. is this new or have they always been like that?
also, i store my cars for winter & they can sit for 4-6 months, one usually sits for 6-8 months & when its time to start it fires right up once gas gets to the carb so i dont buy the whole "gas goes bad after ~6 months" thing, been doing this for 20+ years... & i dont start them during the winter storage like some do.
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